Home / 35,439.20-53,158.80-33,711.20

Finding the Fourth Proportional to 35,439.20, 53,158.80 and 33,711.20

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Solution

The fourth proportional to 35,439.20, 53,158.80 and 33,711.20 is: 50,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.20 : 53,158.80 = 33,711.20 : x
  2. Step 2: Convert to fraction form
    35,439.20/53,158.80 = 33,711.20/x
  3. Step 3: Cross multiply
    35,439.20x = 53,158.80 × 33,711.20
  4. Step 4: Simplify right side
    35,439.20x = 1,792,046,938.56
  5. Step 5: Solve for x
    x = 1,792,046,938.56/35,439.20
  6. Step 6: Final answer
    x = 50,566.80

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Similar ratio
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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.