Home / 54,968.14-82,406.04-38,278.90

Finding the Fourth Proportional to 54,968.14, 82,406.04 and 38,278.90

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Solution

The fourth proportional to 54,968.14, 82,406.04 and 38,278.90 is: 57,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,968.14 : 82,406.04 = 38,278.90 : x
  2. Step 2: Convert to fraction form
    54,968.14/82,406.04 = 38,278.90/x
  3. Step 3: Cross multiply
    54,968.14x = 82,406.04 × 38,278.90
  4. Step 4: Simplify right side
    54,968.14x = 3,154,412,564.56
  5. Step 5: Solve for x
    x = 3,154,412,564.56/54,968.14
  6. Step 6: Final answer
    x = 57,386.20

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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.