Home / 39,699.46-54,789.62-22,705.28

Finding the Fourth Proportional to 39,699.46, 54,789.62 and 22,705.28

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Solution

The fourth proportional to 39,699.46, 54,789.62 and 22,705.28 is: 31,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699.46 : 54,789.62 = 22,705.28 : x
  2. Step 2: Convert to fraction form
    39,699.46/54,789.62 = 22,705.28/x
  3. Step 3: Cross multiply
    39,699.46x = 54,789.62 × 22,705.28
  4. Step 4: Simplify right side
    39,699.46x = 1,244,013,663.19
  5. Step 5: Solve for x
    x = 1,244,013,663.19/39,699.46
  6. Step 6: Final answer
    x = 31,335.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.