Home / 31,766.20-43,834.24-17,618.76

Finding the Fourth Proportional to 31,766.20, 43,834.24 and 17,618.76

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Solution

The fourth proportional to 31,766.20, 43,834.24 and 17,618.76 is: 24,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.20 : 43,834.24 = 17,618.76 : x
  2. Step 2: Convert to fraction form
    31,766.20/43,834.24 = 17,618.76/x
  3. Step 3: Cross multiply
    31,766.20x = 43,834.24 × 17,618.76
  4. Step 4: Simplify right side
    31,766.20x = 772,304,954.34
  5. Step 5: Solve for x
    x = 772,304,954.34/31,766.20
  6. Step 6: Final answer
    x = 24,312.16

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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.