Home / 36,311.28-50,100.75-21,195.36

Finding the Fourth Proportional to 36,311.28, 50,100.75 and 21,195.36

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Solution

The fourth proportional to 36,311.28, 50,100.75 and 21,195.36 is: 29,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.28 : 50,100.75 = 21,195.36 : x
  2. Step 2: Convert to fraction form
    36,311.28/50,100.75 = 21,195.36/x
  3. Step 3: Cross multiply
    36,311.28x = 50,100.75 × 21,195.36
  4. Step 4: Simplify right side
    36,311.28x = 1,061,903,432.52
  5. Step 5: Solve for x
    x = 1,061,903,432.52/36,311.28
  6. Step 6: Final answer
    x = 29,244.45

Related Problems

Find fourth proportional to 18,155.64, 25,050.38 and 10,597.68
Half scale
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Double scale
Find fourth proportional to 36,312.28, 50,102.13 and 21,196.36
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.