Home / 31,951.20-44,089.29-19,684.68

Finding the Fourth Proportional to 31,951.20, 44,089.29 and 19,684.68

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Solution

The fourth proportional to 31,951.20, 44,089.29 and 19,684.68 is: 27,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.20 : 44,089.29 = 19,684.68 : x
  2. Step 2: Convert to fraction form
    31,951.20/44,089.29 = 19,684.68/x
  3. Step 3: Cross multiply
    31,951.20x = 44,089.29 × 19,684.68
  4. Step 4: Simplify right side
    31,951.20x = 867,883,565.08
  5. Step 5: Solve for x
    x = 867,883,565.08/31,951.20
  6. Step 6: Final answer
    x = 27,162.78

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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.