Home / 31,521.71-43,500.01-17,374.55

Finding the Fourth Proportional to 31,521.71, 43,500.01 and 17,374.55

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Solution

The fourth proportional to 31,521.71, 43,500.01 and 17,374.55 is: 23,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.71 : 43,500.01 = 17,374.55 : x
  2. Step 2: Convert to fraction form
    31,521.71/43,500.01 = 17,374.55/x
  3. Step 3: Cross multiply
    31,521.71x = 43,500.01 × 17,374.55
  4. Step 4: Simplify right side
    31,521.71x = 755,793,098.75
  5. Step 5: Solve for x
    x = 755,793,098.75/31,521.71
  6. Step 6: Final answer
    x = 23,976.91

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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.