Home / 55,314.59-82,945.96-20,229.71

Finding the Fourth Proportional to 55,314.59, 82,945.96 and 20,229.71

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Solution

The fourth proportional to 55,314.59, 82,945.96 and 20,229.71 is: 30,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.59 : 82,945.96 = 20,229.71 : x
  2. Step 2: Convert to fraction form
    55,314.59/82,945.96 = 20,229.71/x
  3. Step 3: Cross multiply
    55,314.59x = 82,945.96 × 20,229.71
  4. Step 4: Simplify right side
    55,314.59x = 1,677,972,251.17
  5. Step 5: Solve for x
    x = 1,677,972,251.17/55,314.59
  6. Step 6: Final answer
    x = 30,335.08

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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.