Home / 45,909.15-68,864.03-12,632.73

Finding the Fourth Proportional to 45,909.15, 68,864.03 and 12,632.73

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Solution

The fourth proportional to 45,909.15, 68,864.03 and 12,632.73 is: 18,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,909.15 : 68,864.03 = 12,632.73 : x
  2. Step 2: Convert to fraction form
    45,909.15/68,864.03 = 12,632.73/x
  3. Step 3: Cross multiply
    45,909.15x = 68,864.03 × 12,632.73
  4. Step 4: Simplify right side
    45,909.15x = 869,940,697.70
  5. Step 5: Solve for x
    x = 869,940,697.70/45,909.15
  6. Step 6: Final answer
    x = 18,949.18

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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.