Home / 55,117.97-76,044.12-38,115.87

Finding the Fourth Proportional to 55,117.97, 76,044.12 and 38,115.87

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Solution

The fourth proportional to 55,117.97, 76,044.12 and 38,115.87 is: 52,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.97 : 76,044.12 = 38,115.87 : x
  2. Step 2: Convert to fraction form
    55,117.97/76,044.12 = 38,115.87/x
  3. Step 3: Cross multiply
    55,117.97x = 76,044.12 × 38,115.87
  4. Step 4: Simplify right side
    55,117.97x = 2,898,487,364.08
  5. Step 5: Solve for x
    x = 2,898,487,364.08/55,117.97
  6. Step 6: Final answer
    x = 52,586.98

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Half scale
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Double scale
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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.