Home / 54,969.14-82,407.54-38,279.90

Finding the Fourth Proportional to 54,969.14, 82,407.54 and 38,279.90

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Solution

The fourth proportional to 54,969.14, 82,407.54 and 38,279.90 is: 57,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969.14 : 82,407.54 = 38,279.90 : x
  2. Step 2: Convert to fraction form
    54,969.14/82,407.54 = 38,279.90/x
  3. Step 3: Cross multiply
    54,969.14x = 82,407.54 × 38,279.90
  4. Step 4: Simplify right side
    54,969.14x = 3,154,552,390.45
  5. Step 5: Solve for x
    x = 3,154,552,390.45/54,969.14
  6. Step 6: Final answer
    x = 57,387.70

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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.