Home / 31,721.52-43,778.16-17,575.68

Finding the Fourth Proportional to 31,721.52, 43,778.16 and 17,575.68

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Solution

The fourth proportional to 31,721.52, 43,778.16 and 17,575.68 is: 24,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.52 : 43,778.16 = 17,575.68 : x
  2. Step 2: Convert to fraction form
    31,721.52/43,778.16 = 17,575.68/x
  3. Step 3: Cross multiply
    31,721.52x = 43,778.16 × 17,575.68
  4. Step 4: Simplify right side
    31,721.52x = 769,430,931.15
  5. Step 5: Solve for x
    x = 769,430,931.15/31,721.52
  6. Step 6: Final answer
    x = 24,255.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.