Home / 48,615.20-72,933.12-15,344.88

Finding the Fourth Proportional to 48,615.20, 72,933.12 and 15,344.88

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Solution

The fourth proportional to 48,615.20, 72,933.12 and 15,344.88 is: 23,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.20 : 72,933.12 = 15,344.88 : x
  2. Step 2: Convert to fraction form
    48,615.20/72,933.12 = 15,344.88/x
  3. Step 3: Cross multiply
    48,615.20x = 72,933.12 × 15,344.88
  4. Step 4: Simplify right side
    48,615.20x = 1,119,149,974.43
  5. Step 5: Solve for x
    x = 1,119,149,974.43/48,615.20
  6. Step 6: Final answer
    x = 23,020.58

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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.