Home / 31,711.02-43,763.70-17,565.18

Finding the Fourth Proportional to 31,711.02, 43,763.70 and 17,565.18

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Solution

The fourth proportional to 31,711.02, 43,763.70 and 17,565.18 is: 24,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.02 : 43,763.70 = 17,565.18 : x
  2. Step 2: Convert to fraction form
    31,711.02/43,763.70 = 17,565.18/x
  3. Step 3: Cross multiply
    31,711.02x = 43,763.70 × 17,565.18
  4. Step 4: Simplify right side
    31,711.02x = 768,717,267.97
  5. Step 5: Solve for x
    x = 768,717,267.97/31,711.02
  6. Step 6: Final answer
    x = 24,241.33

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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.