Home / 48,587.13-67,049.64-28,454.48

Finding the Fourth Proportional to 48,587.13, 67,049.64 and 28,454.48

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Solution

The fourth proportional to 48,587.13, 67,049.64 and 28,454.48 is: 39,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.13 : 67,049.64 = 28,454.48 : x
  2. Step 2: Convert to fraction form
    48,587.13/67,049.64 = 28,454.48/x
  3. Step 3: Cross multiply
    48,587.13x = 67,049.64 × 28,454.48
  4. Step 4: Simplify right side
    48,587.13x = 1,907,862,640.39
  5. Step 5: Solve for x
    x = 1,907,862,640.39/48,587.13
  6. Step 6: Final answer
    x = 39,266.83

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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.