Home / 31,472.62-43,432.21-17,132.51

Finding the Fourth Proportional to 31,472.62, 43,432.21 and 17,132.51

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Solution

The fourth proportional to 31,472.62, 43,432.21 and 17,132.51 is: 23,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.62 : 43,432.21 = 17,132.51 : x
  2. Step 2: Convert to fraction form
    31,472.62/43,432.21 = 17,132.51/x
  3. Step 3: Cross multiply
    31,472.62x = 43,432.21 × 17,132.51
  4. Step 4: Simplify right side
    31,472.62x = 744,102,772.15
  5. Step 5: Solve for x
    x = 744,102,772.15/31,472.62
  6. Step 6: Final answer
    x = 23,642.86

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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.