Home / 37,691.60-52,018.56-21,560.40

Finding the Fourth Proportional to 37,691.60, 52,018.56 and 21,560.40

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Solution

The fourth proportional to 37,691.60, 52,018.56 and 21,560.40 is: 29,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,691.60 : 52,018.56 = 21,560.40 : x
  2. Step 2: Convert to fraction form
    37,691.60/52,018.56 = 21,560.40/x
  3. Step 3: Cross multiply
    37,691.60x = 52,018.56 × 21,560.40
  4. Step 4: Simplify right side
    37,691.60x = 1,121,540,961.02
  5. Step 5: Solve for x
    x = 1,121,540,961.02/37,691.60
  6. Step 6: Final answer
    x = 29,755.73

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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.