Home / 38,644.38-53,379.27-31,957.02

Finding the Fourth Proportional to 38,644.38, 53,379.27 and 31,957.02

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Solution

The fourth proportional to 38,644.38, 53,379.27 and 31,957.02 is: 44,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.38 : 53,379.27 = 31,957.02 : x
  2. Step 2: Convert to fraction form
    38,644.38/53,379.27 = 31,957.02/x
  3. Step 3: Cross multiply
    38,644.38x = 53,379.27 × 31,957.02
  4. Step 4: Simplify right side
    38,644.38x = 1,705,842,398.98
  5. Step 5: Solve for x
    x = 1,705,842,398.98/38,644.38
  6. Step 6: Final answer
    x = 44,142.06

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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.