Home / 38,114.64-57,191.45-18,146.72

Finding the Fourth Proportional to 38,114.64, 57,191.45 and 18,146.72

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Solution

The fourth proportional to 38,114.64, 57,191.45 and 18,146.72 is: 27,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.64 : 57,191.45 = 18,146.72 : x
  2. Step 2: Convert to fraction form
    38,114.64/57,191.45 = 18,146.72/x
  3. Step 3: Cross multiply
    38,114.64x = 57,191.45 × 18,146.72
  4. Step 4: Simplify right side
    38,114.64x = 1,037,837,229.54
  5. Step 5: Solve for x
    x = 1,037,837,229.54/38,114.64
  6. Step 6: Final answer
    x = 27,229.36

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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.