Home / 49,753.28-74,632.64-20,166.72

Finding the Fourth Proportional to 49,753.28, 74,632.64 and 20,166.72

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Solution

The fourth proportional to 49,753.28, 74,632.64 and 20,166.72 is: 30,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,753.28 : 74,632.64 = 20,166.72 : x
  2. Step 2: Convert to fraction form
    49,753.28/74,632.64 = 20,166.72/x
  3. Step 3: Cross multiply
    49,753.28x = 74,632.64 × 20,166.72
  4. Step 4: Simplify right side
    49,753.28x = 1,505,095,553.74
  5. Step 5: Solve for x
    x = 1,505,095,553.74/49,753.28
  6. Step 6: Final answer
    x = 30,251.18

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1.5x scale

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.