Home / 36,372.65-50,190.71-20,456.76

Finding the Fourth Proportional to 36,372.65, 50,190.71 and 20,456.76

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Solution

The fourth proportional to 36,372.65, 50,190.71 and 20,456.76 is: 28,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,372.65 : 50,190.71 = 20,456.76 : x
  2. Step 2: Convert to fraction form
    36,372.65/50,190.71 = 20,456.76/x
  3. Step 3: Cross multiply
    36,372.65x = 50,190.71 × 20,456.76
  4. Step 4: Simplify right side
    36,372.65x = 1,026,739,308.70
  5. Step 5: Solve for x
    x = 1,026,739,308.70/36,372.65
  6. Step 6: Final answer
    x = 28,228.33

Related Problems

Find fourth proportional to 18,186.33, 25,095.36 and 10,228.38
Half scale
Find fourth proportional to 72,745.30, 100,381.42 and 40,913.52
Double scale
Find fourth proportional to 36,373.65, 50,192.09 and 20,457.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.