Home / 36,263.76-54,343.80-20,649.12

Finding the Fourth Proportional to 36,263.76, 54,343.80 and 20,649.12

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Solution

The fourth proportional to 36,263.76, 54,343.80 and 20,649.12 is: 30,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,263.76 : 54,343.80 = 20,649.12 : x
  2. Step 2: Convert to fraction form
    36,263.76/54,343.80 = 20,649.12/x
  3. Step 3: Cross multiply
    36,263.76x = 54,343.80 × 20,649.12
  4. Step 4: Simplify right side
    36,263.76x = 1,122,151,647.46
  5. Step 5: Solve for x
    x = 1,122,151,647.46/36,263.76
  6. Step 6: Final answer
    x = 30,944.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.