Home / 31,219.97-43,084.90-17,612.57

Finding the Fourth Proportional to 31,219.97, 43,084.90 and 17,612.57

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Solution

The fourth proportional to 31,219.97, 43,084.90 and 17,612.57 is: 24,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.97 : 43,084.90 = 17,612.57 : x
  2. Step 2: Convert to fraction form
    31,219.97/43,084.90 = 17,612.57/x
  3. Step 3: Cross multiply
    31,219.97x = 43,084.90 × 17,612.57
  4. Step 4: Simplify right side
    31,219.97x = 758,835,557.74
  5. Step 5: Solve for x
    x = 758,835,557.74/31,219.97
  6. Step 6: Final answer
    x = 24,306.10

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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.