Home / 31,712.40-43,763.04-17,565.12

Finding the Fourth Proportional to 31,712.40, 43,763.04 and 17,565.12

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Solution

The fourth proportional to 31,712.40, 43,763.04 and 17,565.12 is: 24,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.40 : 43,763.04 = 17,565.12 : x
  2. Step 2: Convert to fraction form
    31,712.40/43,763.04 = 17,565.12/x
  3. Step 3: Cross multiply
    31,712.40x = 43,763.04 × 17,565.12
  4. Step 4: Simplify right side
    31,712.40x = 768,703,049.16
  5. Step 5: Solve for x
    x = 768,703,049.16/31,712.40
  6. Step 6: Final answer
    x = 24,239.83

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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.