Home / 38,229.80-57,182.70-34,309.40

Finding the Fourth Proportional to 38,229.80, 57,182.70 and 34,309.40

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Solution

The fourth proportional to 38,229.80, 57,182.70 and 34,309.40 is: 51,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.80 : 57,182.70 = 34,309.40 : x
  2. Step 2: Convert to fraction form
    38,229.80/57,182.70 = 34,309.40/x
  3. Step 3: Cross multiply
    38,229.80x = 57,182.70 × 34,309.40
  4. Step 4: Simplify right side
    38,229.80x = 1,961,904,127.38
  5. Step 5: Solve for x
    x = 1,961,904,127.38/38,229.80
  6. Step 6: Final answer
    x = 51,318.71

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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.