Home / 57,542.28-86,311.38-20,102.18

Finding the Fourth Proportional to 57,542.28, 86,311.38 and 20,102.18

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Solution

The fourth proportional to 57,542.28, 86,311.38 and 20,102.18 is: 30,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,542.28 : 86,311.38 = 20,102.18 : x
  2. Step 2: Convert to fraction form
    57,542.28/86,311.38 = 20,102.18/x
  3. Step 3: Cross multiply
    57,542.28x = 86,311.38 × 20,102.18
  4. Step 4: Simplify right side
    57,542.28x = 1,735,046,896.81
  5. Step 5: Solve for x
    x = 1,735,046,896.81/57,542.28
  6. Step 6: Final answer
    x = 30,152.56

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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.