Home / 40,555.96-60,834.08-12,475.82

Finding the Fourth Proportional to 40,555.96, 60,834.08 and 12,475.82

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Solution

The fourth proportional to 40,555.96, 60,834.08 and 12,475.82 is: 18,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.96 : 60,834.08 = 12,475.82 : x
  2. Step 2: Convert to fraction form
    40,555.96/60,834.08 = 12,475.82/x
  3. Step 3: Cross multiply
    40,555.96x = 60,834.08 × 12,475.82
  4. Step 4: Simplify right side
    40,555.96x = 758,955,121.65
  5. Step 5: Solve for x
    x = 758,955,121.65/40,555.96
  6. Step 6: Final answer
    x = 18,713.78

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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.