Home / 57,452.09-86,178.17-18,012.28

Finding the Fourth Proportional to 57,452.09, 86,178.17 and 18,012.28

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Solution

The fourth proportional to 57,452.09, 86,178.17 and 18,012.28 is: 27,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452.09 : 86,178.17 = 18,012.28 : x
  2. Step 2: Convert to fraction form
    57,452.09/86,178.17 = 18,012.28/x
  3. Step 3: Cross multiply
    57,452.09x = 86,178.17 × 18,012.28
  4. Step 4: Simplify right side
    57,452.09x = 1,552,265,540.95
  5. Step 5: Solve for x
    x = 1,552,265,540.95/57,452.09
  6. Step 6: Final answer
    x = 27,018.43

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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.