Home / 48,713.52-67,229.79-28,587.30

Finding the Fourth Proportional to 48,713.52, 67,229.79 and 28,587.30

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Solution

The fourth proportional to 48,713.52, 67,229.79 and 28,587.30 is: 39,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713.52 : 67,229.79 = 28,587.30 : x
  2. Step 2: Convert to fraction form
    48,713.52/67,229.79 = 28,587.30/x
  3. Step 3: Cross multiply
    48,713.52x = 67,229.79 × 28,587.30
  4. Step 4: Simplify right side
    48,713.52x = 1,921,918,175.67
  5. Step 5: Solve for x
    x = 1,921,918,175.67/48,713.52
  6. Step 6: Final answer
    x = 39,453.49

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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.