Home / 49,471.28-74,179.18-21,373.80

Finding the Fourth Proportional to 49,471.28, 74,179.18 and 21,373.80

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Solution

The fourth proportional to 49,471.28, 74,179.18 and 21,373.80 is: 32,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.28 : 74,179.18 = 21,373.80 : x
  2. Step 2: Convert to fraction form
    49,471.28/74,179.18 = 21,373.80/x
  3. Step 3: Cross multiply
    49,471.28x = 74,179.18 × 21,373.80
  4. Step 4: Simplify right side
    49,471.28x = 1,585,490,957.48
  5. Step 5: Solve for x
    x = 1,585,490,957.48/49,471.28
  6. Step 6: Final answer
    x = 32,048.72

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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.