Home / 62,581.20-86,389.92-39,950.08

Finding the Fourth Proportional to 62,581.20, 86,389.92 and 39,950.08

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Solution

The fourth proportional to 62,581.20, 86,389.92 and 39,950.08 is: 55,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.20 : 86,389.92 = 39,950.08 : x
  2. Step 2: Convert to fraction form
    62,581.20/86,389.92 = 39,950.08/x
  3. Step 3: Cross multiply
    62,581.20x = 86,389.92 × 39,950.08
  4. Step 4: Simplify right side
    62,581.20x = 3,451,284,215.19
  5. Step 5: Solve for x
    x = 3,451,284,215.19/62,581.20
  6. Step 6: Final answer
    x = 55,148.90

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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.