Home / 31,517.20-43,494-17,370.08

Finding the Fourth Proportional to 31,517.20, 43,494 and 17,370.08

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Solution

The fourth proportional to 31,517.20, 43,494 and 17,370.08 is: 23,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.20 : 43,494 = 17,370.08 : x
  2. Step 2: Convert to fraction form
    31,517.20/43,494 = 17,370.08/x
  3. Step 3: Cross multiply
    31,517.20x = 43,494 × 17,370.08
  4. Step 4: Simplify right side
    31,517.20x = 755,494,259.52
  5. Step 5: Solve for x
    x = 755,494,259.52/31,517.20
  6. Step 6: Final answer
    x = 23,970.86

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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.