Home / 38,078.18-52,546.17-21,081.23

Finding the Fourth Proportional to 38,078.18, 52,546.17 and 21,081.23

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Solution

The fourth proportional to 38,078.18, 52,546.17 and 21,081.23 is: 29,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.18 : 52,546.17 = 21,081.23 : x
  2. Step 2: Convert to fraction form
    38,078.18/52,546.17 = 21,081.23/x
  3. Step 3: Cross multiply
    38,078.18x = 52,546.17 × 21,081.23
  4. Step 4: Simplify right side
    38,078.18x = 1,107,737,895.39
  5. Step 5: Solve for x
    x = 1,107,737,895.39/38,078.18
  6. Step 6: Final answer
    x = 29,091.15

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Double scale
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Similar ratio
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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.