Home / 41,555.40-62,333.11-10,390.65

Finding the Fourth Proportional to 41,555.40, 62,333.11 and 10,390.65

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Solution

The fourth proportional to 41,555.40, 62,333.11 and 10,390.65 is: 15,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,555.40 : 62,333.11 = 10,390.65 : x
  2. Step 2: Convert to fraction form
    41,555.40/62,333.11 = 10,390.65/x
  3. Step 3: Cross multiply
    41,555.40x = 62,333.11 × 10,390.65
  4. Step 4: Simplify right side
    41,555.40x = 647,681,737.19
  5. Step 5: Solve for x
    x = 647,681,737.19/41,555.40
  6. Step 6: Final answer
    x = 15,585.98

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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.