Home / 42,386.85-63,600.93-17,434.38

Finding the Fourth Proportional to 42,386.85, 63,600.93 and 17,434.38

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Solution

The fourth proportional to 42,386.85, 63,600.93 and 17,434.38 is: 26,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386.85 : 63,600.93 = 17,434.38 : x
  2. Step 2: Convert to fraction form
    42,386.85/63,600.93 = 17,434.38/x
  3. Step 3: Cross multiply
    42,386.85x = 63,600.93 × 17,434.38
  4. Step 4: Simplify right side
    42,386.85x = 1,108,842,781.97
  5. Step 5: Solve for x
    x = 1,108,842,781.97/42,386.85
  6. Step 6: Final answer
    x = 26,160.07

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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.