Home / 41,538.80-62,341.32-21,828.92

Finding the Fourth Proportional to 41,538.80, 62,341.32 and 21,828.92

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Solution

The fourth proportional to 41,538.80, 62,341.32 and 21,828.92 is: 32,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,538.80 : 62,341.32 = 21,828.92 : x
  2. Step 2: Convert to fraction form
    41,538.80/62,341.32 = 21,828.92/x
  3. Step 3: Cross multiply
    41,538.80x = 62,341.32 × 21,828.92
  4. Step 4: Simplify right side
    41,538.80x = 1,360,843,686.97
  5. Step 5: Solve for x
    x = 1,360,843,686.97/41,538.80
  6. Step 6: Final answer
    x = 32,760.78

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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.