Home / 37,947.20-56,919.60-17,170.72

Finding the Fourth Proportional to 37,947.20, 56,919.60 and 17,170.72

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Solution

The fourth proportional to 37,947.20, 56,919.60 and 17,170.72 is: 25,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,947.20 : 56,919.60 = 17,170.72 : x
  2. Step 2: Convert to fraction form
    37,947.20/56,919.60 = 17,170.72/x
  3. Step 3: Cross multiply
    37,947.20x = 56,919.60 × 17,170.72
  4. Step 4: Simplify right side
    37,947.20x = 977,350,514.11
  5. Step 5: Solve for x
    x = 977,350,514.11/37,947.20
  6. Step 6: Final answer
    x = 25,755.54

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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.