Home / 47,587.38-71,382.21-15,997.85

Finding the Fourth Proportional to 47,587.38, 71,382.21 and 15,997.85

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Solution

The fourth proportional to 47,587.38, 71,382.21 and 15,997.85 is: 23,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.38 : 71,382.21 = 15,997.85 : x
  2. Step 2: Convert to fraction form
    47,587.38/71,382.21 = 15,997.85/x
  3. Step 3: Cross multiply
    47,587.38x = 71,382.21 × 15,997.85
  4. Step 4: Simplify right side
    47,587.38x = 1,141,961,888.25
  5. Step 5: Solve for x
    x = 1,141,961,888.25/47,587.38
  6. Step 6: Final answer
    x = 23,997.16

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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.