Home / 57,003.75-85,514.13-17,557.56

Finding the Fourth Proportional to 57,003.75, 85,514.13 and 17,557.56

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Solution

The fourth proportional to 57,003.75, 85,514.13 and 17,557.56 is: 26,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.75 : 85,514.13 = 17,557.56 : x
  2. Step 2: Convert to fraction form
    57,003.75/85,514.13 = 17,557.56/x
  3. Step 3: Cross multiply
    57,003.75x = 85,514.13 × 17,557.56
  4. Step 4: Simplify right side
    57,003.75x = 1,501,419,468.32
  5. Step 5: Solve for x
    x = 1,501,419,468.32/57,003.75
  6. Step 6: Final answer
    x = 26,338.96

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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.