Home / 54,869.28-75,719.97-29,718.78

Finding the Fourth Proportional to 54,869.28, 75,719.97 and 29,718.78

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Solution

The fourth proportional to 54,869.28, 75,719.97 and 29,718.78 is: 41,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.28 : 75,719.97 = 29,718.78 : x
  2. Step 2: Convert to fraction form
    54,869.28/75,719.97 = 29,718.78/x
  3. Step 3: Cross multiply
    54,869.28x = 75,719.97 × 29,718.78
  4. Step 4: Simplify right side
    54,869.28x = 2,250,305,130.04
  5. Step 5: Solve for x
    x = 2,250,305,130.04/54,869.28
  6. Step 6: Final answer
    x = 41,012.11

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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.