Home / 38,081.30-57,158.84-18,373.70

Finding the Fourth Proportional to 38,081.30, 57,158.84 and 18,373.70

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Solution

The fourth proportional to 38,081.30, 57,158.84 and 18,373.70 is: 27,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.30 : 57,158.84 = 18,373.70 : x
  2. Step 2: Convert to fraction form
    38,081.30/57,158.84 = 18,373.70/x
  3. Step 3: Cross multiply
    38,081.30x = 57,158.84 × 18,373.70
  4. Step 4: Simplify right side
    38,081.30x = 1,050,219,567.34
  5. Step 5: Solve for x
    x = 1,050,219,567.34/38,081.30
  6. Step 6: Final answer
    x = 27,578.36

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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.