Home / 62,463.12-86,207.40-40,171.92

Finding the Fourth Proportional to 62,463.12, 86,207.40 and 40,171.92

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Solution

The fourth proportional to 62,463.12, 86,207.40 and 40,171.92 is: 55,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,463.12 : 86,207.40 = 40,171.92 : x
  2. Step 2: Convert to fraction form
    62,463.12/86,207.40 = 40,171.92/x
  3. Step 3: Cross multiply
    62,463.12x = 86,207.40 × 40,171.92
  4. Step 4: Simplify right side
    62,463.12x = 3,463,116,776.21
  5. Step 5: Solve for x
    x = 3,463,116,776.21/62,463.12
  6. Step 6: Final answer
    x = 55,442.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.