Home / 54,694.28-75,478.11-30,821.82

Finding the Fourth Proportional to 54,694.28, 75,478.11 and 30,821.82

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Solution

The fourth proportional to 54,694.28, 75,478.11 and 30,821.82 is: 42,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,694.28 : 75,478.11 = 30,821.82 : x
  2. Step 2: Convert to fraction form
    54,694.28/75,478.11 = 30,821.82/x
  3. Step 3: Cross multiply
    54,694.28x = 75,478.11 × 30,821.82
  4. Step 4: Simplify right side
    54,694.28x = 2,326,372,321.74
  5. Step 5: Solve for x
    x = 2,326,372,321.74/54,694.28
  6. Step 6: Final answer
    x = 42,534.10

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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.