Home / 54,721.28-75,505.68-30,847.95

Finding the Fourth Proportional to 54,721.28, 75,505.68 and 30,847.95

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Solution

The fourth proportional to 54,721.28, 75,505.68 and 30,847.95 is: 42,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.28 : 75,505.68 = 30,847.95 : x
  2. Step 2: Convert to fraction form
    54,721.28/75,505.68 = 30,847.95/x
  3. Step 3: Cross multiply
    54,721.28x = 75,505.68 × 30,847.95
  4. Step 4: Simplify right side
    54,721.28x = 2,329,195,441.36
  5. Step 5: Solve for x
    x = 2,329,195,441.36/54,721.28
  6. Step 6: Final answer
    x = 42,564.71

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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.