Home / 31,589.33-47,382.17-19,105.97

Finding the Fourth Proportional to 31,589.33, 47,382.17 and 19,105.97

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Solution

The fourth proportional to 31,589.33, 47,382.17 and 19,105.97 is: 28,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.33 : 47,382.17 = 19,105.97 : x
  2. Step 2: Convert to fraction form
    31,589.33/47,382.17 = 19,105.97/x
  3. Step 3: Cross multiply
    31,589.33x = 47,382.17 × 19,105.97
  4. Step 4: Simplify right side
    31,589.33x = 905,281,986.11
  5. Step 5: Solve for x
    x = 905,281,986.11/31,589.33
  6. Step 6: Final answer
    x = 28,657.85

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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.