Home / 52,535.52-72,489.09-31,316.76

Finding the Fourth Proportional to 52,535.52, 72,489.09 and 31,316.76

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Solution

The fourth proportional to 52,535.52, 72,489.09 and 31,316.76 is: 43,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,535.52 : 72,489.09 = 31,316.76 : x
  2. Step 2: Convert to fraction form
    52,535.52/72,489.09 = 31,316.76/x
  3. Step 3: Cross multiply
    52,535.52x = 72,489.09 × 31,316.76
  4. Step 4: Simplify right side
    52,535.52x = 2,270,123,434.15
  5. Step 5: Solve for x
    x = 2,270,123,434.15/52,535.52
  6. Step 6: Final answer
    x = 43,211.21

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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.