Home / 57,572.20-86,383.38-20,159.14

Finding the Fourth Proportional to 57,572.20, 86,383.38 and 20,159.14

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Solution

The fourth proportional to 57,572.20, 86,383.38 and 20,159.14 is: 30,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.20 : 86,383.38 = 20,159.14 : x
  2. Step 2: Convert to fraction form
    57,572.20/86,383.38 = 20,159.14/x
  3. Step 3: Cross multiply
    57,572.20x = 86,383.38 × 20,159.14
  4. Step 4: Simplify right side
    57,572.20x = 1,741,414,651.09
  5. Step 5: Solve for x
    x = 1,741,414,651.09/57,572.20
  6. Step 6: Final answer
    x = 30,247.49

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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.