Home / 54,943.04-82,414.55-13,390.04

Finding the Fourth Proportional to 54,943.04, 82,414.55 and 13,390.04

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Solution

The fourth proportional to 54,943.04, 82,414.55 and 13,390.04 is: 20,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.04 : 82,414.55 = 13,390.04 : x
  2. Step 2: Convert to fraction form
    54,943.04/82,414.55 = 13,390.04/x
  3. Step 3: Cross multiply
    54,943.04x = 82,414.55 × 13,390.04
  4. Step 4: Simplify right side
    54,943.04x = 1,103,534,360.59
  5. Step 5: Solve for x
    x = 1,103,534,360.59/54,943.04
  6. Step 6: Final answer
    x = 20,085.06

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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.