Home / 38,087.67-57,168.45-18,380.10

Finding the Fourth Proportional to 38,087.67, 57,168.45 and 18,380.10

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Solution

The fourth proportional to 38,087.67, 57,168.45 and 18,380.10 is: 27,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.67 : 57,168.45 = 18,380.10 : x
  2. Step 2: Convert to fraction form
    38,087.67/57,168.45 = 18,380.10/x
  3. Step 3: Cross multiply
    38,087.67x = 57,168.45 × 18,380.10
  4. Step 4: Simplify right side
    38,087.67x = 1,050,761,827.85
  5. Step 5: Solve for x
    x = 1,050,761,827.85/38,087.67
  6. Step 6: Final answer
    x = 27,587.98

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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.