Home / 40,765.38-61,143.96-11,186.18

Finding the Fourth Proportional to 40,765.38, 61,143.96 and 11,186.18

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Solution

The fourth proportional to 40,765.38, 61,143.96 and 11,186.18 is: 16,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,765.38 : 61,143.96 = 11,186.18 : x
  2. Step 2: Convert to fraction form
    40,765.38/61,143.96 = 11,186.18/x
  3. Step 3: Cross multiply
    40,765.38x = 61,143.96 × 11,186.18
  4. Step 4: Simplify right side
    40,765.38x = 683,967,342.47
  5. Step 5: Solve for x
    x = 683,967,342.47/40,765.38
  6. Step 6: Final answer
    x = 16,778.14

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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.