Home / 57,170.20-85,803.90-25,628.80

Finding the Fourth Proportional to 57,170.20, 85,803.90 and 25,628.80

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Solution

The fourth proportional to 57,170.20, 85,803.90 and 25,628.80 is: 38,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.20 : 85,803.90 = 25,628.80 : x
  2. Step 2: Convert to fraction form
    57,170.20/85,803.90 = 25,628.80/x
  3. Step 3: Cross multiply
    57,170.20x = 85,803.90 × 25,628.80
  4. Step 4: Simplify right side
    57,170.20x = 2,199,050,992.32
  5. Step 5: Solve for x
    x = 2,199,050,992.32/57,170.20
  6. Step 6: Final answer
    x = 38,464.99

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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.