Home / 38,542.20-53,126.70-31,456.44

Finding the Fourth Proportional to 38,542.20, 53,126.70 and 31,456.44

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Solution

The fourth proportional to 38,542.20, 53,126.70 and 31,456.44 is: 43,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.20 : 53,126.70 = 31,456.44 : x
  2. Step 2: Convert to fraction form
    38,542.20/53,126.70 = 31,456.44/x
  3. Step 3: Cross multiply
    38,542.20x = 53,126.70 × 31,456.44
  4. Step 4: Simplify right side
    38,542.20x = 1,671,176,850.95
  5. Step 5: Solve for x
    x = 1,671,176,850.95/38,542.20
  6. Step 6: Final answer
    x = 43,359.66

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1.5x scale

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.