Home / 38,089.68-57,171.46-18,382.10

Finding the Fourth Proportional to 38,089.68, 57,171.46 and 18,382.10

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Solution

The fourth proportional to 38,089.68, 57,171.46 and 18,382.10 is: 27,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.68 : 57,171.46 = 18,382.10 : x
  2. Step 2: Convert to fraction form
    38,089.68/57,171.46 = 18,382.10/x
  3. Step 3: Cross multiply
    38,089.68x = 57,171.46 × 18,382.10
  4. Step 4: Simplify right side
    38,089.68x = 1,050,931,494.87
  5. Step 5: Solve for x
    x = 1,050,931,494.87/38,089.68
  6. Step 6: Final answer
    x = 27,590.98

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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.