Home / 47,375.16-71,025.25-17,789.70

Finding the Fourth Proportional to 47,375.16, 71,025.25 and 17,789.70

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Solution

The fourth proportional to 47,375.16, 71,025.25 and 17,789.70 is: 26,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,375.16 : 71,025.25 = 17,789.70 : x
  2. Step 2: Convert to fraction form
    47,375.16/71,025.25 = 17,789.70/x
  3. Step 3: Cross multiply
    47,375.16x = 71,025.25 × 17,789.70
  4. Step 4: Simplify right side
    47,375.16x = 1,263,517,889.93
  5. Step 5: Solve for x
    x = 1,263,517,889.93/47,375.16
  6. Step 6: Final answer
    x = 26,670.47

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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.