Home / 49,470.28-74,177.68-21,372.80

Finding the Fourth Proportional to 49,470.28, 74,177.68 and 21,372.80

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Solution

The fourth proportional to 49,470.28, 74,177.68 and 21,372.80 is: 32,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.28 : 74,177.68 = 21,372.80 : x
  2. Step 2: Convert to fraction form
    49,470.28/74,177.68 = 21,372.80/x
  3. Step 3: Cross multiply
    49,470.28x = 74,177.68 × 21,372.80
  4. Step 4: Simplify right side
    49,470.28x = 1,585,384,719.10
  5. Step 5: Solve for x
    x = 1,585,384,719.10/49,470.28
  6. Step 6: Final answer
    x = 32,047.22

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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.