Home / 48,287.60-72,420.33-13,229.99

Finding the Fourth Proportional to 48,287.60, 72,420.33 and 13,229.99

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Solution

The fourth proportional to 48,287.60, 72,420.33 and 13,229.99 is: 19,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287.60 : 72,420.33 = 13,229.99 : x
  2. Step 2: Convert to fraction form
    48,287.60/72,420.33 = 13,229.99/x
  3. Step 3: Cross multiply
    48,287.60x = 72,420.33 × 13,229.99
  4. Step 4: Simplify right side
    48,287.60x = 958,120,241.70
  5. Step 5: Solve for x
    x = 958,120,241.70/48,287.60
  6. Step 6: Final answer
    x = 19,841.95

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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.