Home / 31,933.98-47,909.48-26,321.90

Finding the Fourth Proportional to 31,933.98, 47,909.48 and 26,321.90

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Solution

The fourth proportional to 31,933.98, 47,909.48 and 26,321.90 is: 39,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,933.98 : 47,909.48 = 26,321.90 : x
  2. Step 2: Convert to fraction form
    31,933.98/47,909.48 = 26,321.90/x
  3. Step 3: Cross multiply
    31,933.98x = 47,909.48 × 26,321.90
  4. Step 4: Simplify right side
    31,933.98x = 1,261,068,170.46
  5. Step 5: Solve for x
    x = 1,261,068,170.46/31,933.98
  6. Step 6: Final answer
    x = 39,489.85

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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.