Home / 48,425.68-72,643.24-18,845.92

Finding the Fourth Proportional to 48,425.68, 72,643.24 and 18,845.92

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Solution

The fourth proportional to 48,425.68, 72,643.24 and 18,845.92 is: 28,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.68 : 72,643.24 = 18,845.92 : x
  2. Step 2: Convert to fraction form
    48,425.68/72,643.24 = 18,845.92/x
  3. Step 3: Cross multiply
    48,425.68x = 72,643.24 × 18,845.92
  4. Step 4: Simplify right side
    48,425.68x = 1,369,028,689.58
  5. Step 5: Solve for x
    x = 1,369,028,689.58/48,425.68
  6. Step 6: Final answer
    x = 28,270.72

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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.