Home / 55,170.18-82,755.27-38,562.63

Finding the Fourth Proportional to 55,170.18, 82,755.27 and 38,562.63

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Solution

The fourth proportional to 55,170.18, 82,755.27 and 38,562.63 is: 57,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.18 : 82,755.27 = 38,562.63 : x
  2. Step 2: Convert to fraction form
    55,170.18/82,755.27 = 38,562.63/x
  3. Step 3: Cross multiply
    55,170.18x = 82,755.27 × 38,562.63
  4. Step 4: Simplify right side
    55,170.18x = 3,191,260,857.56
  5. Step 5: Solve for x
    x = 3,191,260,857.56/55,170.18
  6. Step 6: Final answer
    x = 57,843.95

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Double scale
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1.5x scale

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.