Home / 57,141.20-85,760.40-25,599.80

Finding the Fourth Proportional to 57,141.20, 85,760.40 and 25,599.80

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Solution

The fourth proportional to 57,141.20, 85,760.40 and 25,599.80 is: 38,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.20 : 85,760.40 = 25,599.80 : x
  2. Step 2: Convert to fraction form
    57,141.20/85,760.40 = 25,599.80/x
  3. Step 3: Cross multiply
    57,141.20x = 85,760.40 × 25,599.80
  4. Step 4: Simplify right side
    57,141.20x = 2,195,449,087.92
  5. Step 5: Solve for x
    x = 2,195,449,087.92/57,141.20
  6. Step 6: Final answer
    x = 38,421.47

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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.