Home / 40,267.11-60,376.82-12,178.65

Finding the Fourth Proportional to 40,267.11, 60,376.82 and 12,178.65

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Solution

The fourth proportional to 40,267.11, 60,376.82 and 12,178.65 is: 18,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.11 : 60,376.82 = 12,178.65 : x
  2. Step 2: Convert to fraction form
    40,267.11/60,376.82 = 12,178.65/x
  3. Step 3: Cross multiply
    40,267.11x = 60,376.82 × 12,178.65
  4. Step 4: Simplify right side
    40,267.11x = 735,308,098.00
  5. Step 5: Solve for x
    x = 735,308,098.00/40,267.11
  6. Step 6: Final answer
    x = 18,260.76

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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.