Home / 38,068.20-57,167.10-28,218.60

Finding the Fourth Proportional to 38,068.20, 57,167.10 and 28,218.60

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Solution

The fourth proportional to 38,068.20, 57,167.10 and 28,218.60 is: 42,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068.20 : 57,167.10 = 28,218.60 : x
  2. Step 2: Convert to fraction form
    38,068.20/57,167.10 = 28,218.60/x
  3. Step 3: Cross multiply
    38,068.20x = 57,167.10 × 28,218.60
  4. Step 4: Simplify right side
    38,068.20x = 1,613,175,528.06
  5. Step 5: Solve for x
    x = 1,613,175,528.06/38,068.20
  6. Step 6: Final answer
    x = 42,375.93

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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.