Home / 47,660.24-71,494.32-12,600.20

Finding the Fourth Proportional to 47,660.24, 71,494.32 and 12,600.20

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Solution

The fourth proportional to 47,660.24, 71,494.32 and 12,600.20 is: 18,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,660.24 : 71,494.32 = 12,600.20 : x
  2. Step 2: Convert to fraction form
    47,660.24/71,494.32 = 12,600.20/x
  3. Step 3: Cross multiply
    47,660.24x = 71,494.32 × 12,600.20
  4. Step 4: Simplify right side
    47,660.24x = 900,842,730.86
  5. Step 5: Solve for x
    x = 900,842,730.86/47,660.24
  6. Step 6: Final answer
    x = 18,901.35

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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.