Home / 48,705.12-67,213.08-27,488.88

Finding the Fourth Proportional to 48,705.12, 67,213.08 and 27,488.88

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Solution

The fourth proportional to 48,705.12, 67,213.08 and 27,488.88 is: 37,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.12 : 67,213.08 = 27,488.88 : x
  2. Step 2: Convert to fraction form
    48,705.12/67,213.08 = 27,488.88/x
  3. Step 3: Cross multiply
    48,705.12x = 67,213.08 × 27,488.88
  4. Step 4: Simplify right side
    48,705.12x = 1,847,612,290.55
  5. Step 5: Solve for x
    x = 1,847,612,290.55/48,705.12
  6. Step 6: Final answer
    x = 37,934.66

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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.