Home / 42,535.38-63,812.60-12,955.53

Finding the Fourth Proportional to 42,535.38, 63,812.60 and 12,955.53

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Solution

The fourth proportional to 42,535.38, 63,812.60 and 12,955.53 is: 19,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,535.38 : 63,812.60 = 12,955.53 : x
  2. Step 2: Convert to fraction form
    42,535.38/63,812.60 = 12,955.53/x
  3. Step 3: Cross multiply
    42,535.38x = 63,812.60 × 12,955.53
  4. Step 4: Simplify right side
    42,535.38x = 826,725,988.90
  5. Step 5: Solve for x
    x = 826,725,988.90/42,535.38
  6. Step 6: Final answer
    x = 19,436.20

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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.