Home / 48,410.28-72,630-15,133.86

Finding the Fourth Proportional to 48,410.28, 72,630 and 15,133.86

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Solution

The fourth proportional to 48,410.28, 72,630 and 15,133.86 is: 22,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410.28 : 72,630 = 15,133.86 : x
  2. Step 2: Convert to fraction form
    48,410.28/72,630 = 15,133.86/x
  3. Step 3: Cross multiply
    48,410.28x = 72,630 × 15,133.86
  4. Step 4: Simplify right side
    48,410.28x = 1,099,172,251.80
  5. Step 5: Solve for x
    x = 1,099,172,251.80/48,410.28
  6. Step 6: Final answer
    x = 22,705.35

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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.