Home / 31,909.60-47,952.24-17,129.44

Finding the Fourth Proportional to 31,909.60, 47,952.24 and 17,129.44

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Solution

The fourth proportional to 31,909.60, 47,952.24 and 17,129.44 is: 25,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.60 : 47,952.24 = 17,129.44 : x
  2. Step 2: Convert to fraction form
    31,909.60/47,952.24 = 17,129.44/x
  3. Step 3: Cross multiply
    31,909.60x = 47,952.24 × 17,129.44
  4. Step 4: Simplify right side
    31,909.60x = 821,395,017.95
  5. Step 5: Solve for x
    x = 821,395,017.95/31,909.60
  6. Step 6: Final answer
    x = 25,741.31

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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.