Home / 31,432.70-43,377.13-17,285.54

Finding the Fourth Proportional to 31,432.70, 43,377.13 and 17,285.54

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Solution

The fourth proportional to 31,432.70, 43,377.13 and 17,285.54 is: 23,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.70 : 43,377.13 = 17,285.54 : x
  2. Step 2: Convert to fraction form
    31,432.70/43,377.13 = 17,285.54/x
  3. Step 3: Cross multiply
    31,432.70x = 43,377.13 × 17,285.54
  4. Step 4: Simplify right side
    31,432.70x = 749,797,115.70
  5. Step 5: Solve for x
    x = 749,797,115.70/31,432.70
  6. Step 6: Final answer
    x = 23,854.05

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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.