Home / 31,739.64-47,573.82-15,086.04

Finding the Fourth Proportional to 31,739.64, 47,573.82 and 15,086.04

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Solution

The fourth proportional to 31,739.64, 47,573.82 and 15,086.04 is: 22,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.64 : 47,573.82 = 15,086.04 : x
  2. Step 2: Convert to fraction form
    31,739.64/47,573.82 = 15,086.04/x
  3. Step 3: Cross multiply
    31,739.64x = 47,573.82 × 15,086.04
  4. Step 4: Simplify right side
    31,739.64x = 717,700,551.47
  5. Step 5: Solve for x
    x = 717,700,551.47/31,739.64
  6. Step 6: Final answer
    x = 22,612.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.