Home / 42,502.36-63,753.02-19,112.28

Finding the Fourth Proportional to 42,502.36, 63,753.02 and 19,112.28

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Solution

The fourth proportional to 42,502.36, 63,753.02 and 19,112.28 is: 28,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,502.36 : 63,753.02 = 19,112.28 : x
  2. Step 2: Convert to fraction form
    42,502.36/63,753.02 = 19,112.28/x
  3. Step 3: Cross multiply
    42,502.36x = 63,753.02 × 19,112.28
  4. Step 4: Simplify right side
    42,502.36x = 1,218,465,569.09
  5. Step 5: Solve for x
    x = 1,218,465,569.09/42,502.36
  6. Step 6: Final answer
    x = 28,668.19

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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.