Home / 48,676.85-67,168.31-28,254.18

Finding the Fourth Proportional to 48,676.85, 67,168.31 and 28,254.18

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Solution

The fourth proportional to 48,676.85, 67,168.31 and 28,254.18 is: 38,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,676.85 : 67,168.31 = 28,254.18 : x
  2. Step 2: Convert to fraction form
    48,676.85/67,168.31 = 28,254.18/x
  3. Step 3: Cross multiply
    48,676.85x = 67,168.31 × 28,254.18
  4. Step 4: Simplify right side
    48,676.85x = 1,897,785,631.65
  5. Step 5: Solve for x
    x = 1,897,785,631.65/48,676.85
  6. Step 6: Final answer
    x = 38,987.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.