Home / 51,724.28-71,382.56-38,954.94

Finding the Fourth Proportional to 51,724.28, 71,382.56 and 38,954.94

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Solution

The fourth proportional to 51,724.28, 71,382.56 and 38,954.94 is: 53,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.28 : 71,382.56 = 38,954.94 : x
  2. Step 2: Convert to fraction form
    51,724.28/71,382.56 = 38,954.94/x
  3. Step 3: Cross multiply
    51,724.28x = 71,382.56 × 38,954.94
  4. Step 4: Simplify right side
    51,724.28x = 2,780,703,341.85
  5. Step 5: Solve for x
    x = 2,780,703,341.85/51,724.28
  6. Step 6: Final answer
    x = 53,760.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.