Home / 47,805.38-71,705.33-18,226.20

Finding the Fourth Proportional to 47,805.38, 71,705.33 and 18,226.20

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Solution

The fourth proportional to 47,805.38, 71,705.33 and 18,226.20 is: 27,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.38 : 71,705.33 = 18,226.20 : x
  2. Step 2: Convert to fraction form
    47,805.38/71,705.33 = 18,226.20/x
  3. Step 3: Cross multiply
    47,805.38x = 71,705.33 × 18,226.20
  4. Step 4: Simplify right side
    47,805.38x = 1,306,915,685.65
  5. Step 5: Solve for x
    x = 1,306,915,685.65/47,805.38
  6. Step 6: Final answer
    x = 27,338.26

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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.