Home / 31,637.28-43,658.84-17,489.82

Finding the Fourth Proportional to 31,637.28, 43,658.84 and 17,489.82

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Solution

The fourth proportional to 31,637.28, 43,658.84 and 17,489.82 is: 24,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.28 : 43,658.84 = 17,489.82 : x
  2. Step 2: Convert to fraction form
    31,637.28/43,658.84 = 17,489.82/x
  3. Step 3: Cross multiply
    31,637.28x = 43,658.84 × 17,489.82
  4. Step 4: Simplify right side
    31,637.28x = 763,585,253.01
  5. Step 5: Solve for x
    x = 763,585,253.01/31,637.28
  6. Step 6: Final answer
    x = 24,135.62

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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.