Home / 57,255.20-85,882.80-27,730.70

Finding the Fourth Proportional to 57,255.20, 85,882.80 and 27,730.70

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Solution

The fourth proportional to 57,255.20, 85,882.80 and 27,730.70 is: 41,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.20 : 85,882.80 = 27,730.70 : x
  2. Step 2: Convert to fraction form
    57,255.20/85,882.80 = 27,730.70/x
  3. Step 3: Cross multiply
    57,255.20x = 85,882.80 × 27,730.70
  4. Step 4: Simplify right side
    57,255.20x = 2,381,590,161.96
  5. Step 5: Solve for x
    x = 2,381,590,161.96/57,255.20
  6. Step 6: Final answer
    x = 41,596.05

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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.