Home / 54,844.90-82,364.55-42,395.20

Finding the Fourth Proportional to 54,844.90, 82,364.55 and 42,395.20

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Solution

The fourth proportional to 54,844.90, 82,364.55 and 42,395.20 is: 63,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,844.90 : 82,364.55 = 42,395.20 : x
  2. Step 2: Convert to fraction form
    54,844.90/82,364.55 = 42,395.20/x
  3. Step 3: Cross multiply
    54,844.90x = 82,364.55 × 42,395.20
  4. Step 4: Simplify right side
    54,844.90x = 3,491,861,570.16
  5. Step 5: Solve for x
    x = 3,491,861,570.16/54,844.90
  6. Step 6: Final answer
    x = 63,667.94

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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.