Home / 31,639.04-43,658.04-17,489.92

Finding the Fourth Proportional to 31,639.04, 43,658.04 and 17,489.92

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Solution

The fourth proportional to 31,639.04, 43,658.04 and 17,489.92 is: 24,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.04 : 43,658.04 = 17,489.92 : x
  2. Step 2: Convert to fraction form
    31,639.04/43,658.04 = 17,489.92/x
  3. Step 3: Cross multiply
    31,639.04x = 43,658.04 × 17,489.92
  4. Step 4: Simplify right side
    31,639.04x = 763,575,626.96
  5. Step 5: Solve for x
    x = 763,575,626.96/31,639.04
  6. Step 6: Final answer
    x = 24,133.97

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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.