Home / 54,151.46-81,133.55-38,329.66

Finding the Fourth Proportional to 54,151.46, 81,133.55 and 38,329.66

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Solution

The fourth proportional to 54,151.46, 81,133.55 and 38,329.66 is: 57,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.46 : 81,133.55 = 38,329.66 : x
  2. Step 2: Convert to fraction form
    54,151.46/81,133.55 = 38,329.66/x
  3. Step 3: Cross multiply
    54,151.46x = 81,133.55 × 38,329.66
  4. Step 4: Simplify right side
    54,151.46x = 3,109,821,386.09
  5. Step 5: Solve for x
    x = 3,109,821,386.09/54,151.46
  6. Step 6: Final answer
    x = 57,428.21

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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.