Home / 42,458.72-63,687.99-11,293.97

Finding the Fourth Proportional to 42,458.72, 63,687.99 and 11,293.97

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Solution

The fourth proportional to 42,458.72, 63,687.99 and 11,293.97 is: 16,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.72 : 63,687.99 = 11,293.97 : x
  2. Step 2: Convert to fraction form
    42,458.72/63,687.99 = 11,293.97/x
  3. Step 3: Cross multiply
    42,458.72x = 63,687.99 × 11,293.97
  4. Step 4: Simplify right side
    42,458.72x = 719,290,248.42
  5. Step 5: Solve for x
    x = 719,290,248.42/42,458.72
  6. Step 6: Final answer
    x = 16,940.93

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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.