Home / 36,000.52-49,680.96-21,660.68

Finding the Fourth Proportional to 36,000.52, 49,680.96 and 21,660.68

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Solution

The fourth proportional to 36,000.52, 49,680.96 and 21,660.68 is: 29,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.52 : 49,680.96 = 21,660.68 : x
  2. Step 2: Convert to fraction form
    36,000.52/49,680.96 = 21,660.68/x
  3. Step 3: Cross multiply
    36,000.52x = 49,680.96 × 21,660.68
  4. Step 4: Simplify right side
    36,000.52x = 1,076,123,376.65
  5. Step 5: Solve for x
    x = 1,076,123,376.65/36,000.52
  6. Step 6: Final answer
    x = 29,891.88

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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.