Home / 49,422.38-74,122.43-22,742.75

Finding the Fourth Proportional to 49,422.38, 74,122.43 and 22,742.75

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Solution

The fourth proportional to 49,422.38, 74,122.43 and 22,742.75 is: 34,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.38 : 74,122.43 = 22,742.75 : x
  2. Step 2: Convert to fraction form
    49,422.38/74,122.43 = 22,742.75/x
  3. Step 3: Cross multiply
    49,422.38x = 74,122.43 × 22,742.75
  4. Step 4: Simplify right side
    49,422.38x = 1,685,747,966.47
  5. Step 5: Solve for x
    x = 1,685,747,966.47/49,422.38
  6. Step 6: Final answer
    x = 34,109.00

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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.