Home / 42,479.10-63,516.24-38,761.20

Finding the Fourth Proportional to 42,479.10, 63,516.24 and 38,761.20

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Solution

The fourth proportional to 42,479.10, 63,516.24 and 38,761.20 is: 57,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,479.10 : 63,516.24 = 38,761.20 : x
  2. Step 2: Convert to fraction form
    42,479.10/63,516.24 = 38,761.20/x
  3. Step 3: Cross multiply
    42,479.10x = 63,516.24 × 38,761.20
  4. Step 4: Simplify right side
    42,479.10x = 2,461,965,681.89
  5. Step 5: Solve for x
    x = 2,461,965,681.89/42,479.10
  6. Step 6: Final answer
    x = 57,957.11

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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.