Home / 48,679.52-67,180.20-28,267.52

Finding the Fourth Proportional to 48,679.52, 67,180.20 and 28,267.52

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Solution

The fourth proportional to 48,679.52, 67,180.20 and 28,267.52 is: 39,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.52 : 67,180.20 = 28,267.52 : x
  2. Step 2: Convert to fraction form
    48,679.52/67,180.20 = 28,267.52/x
  3. Step 3: Cross multiply
    48,679.52x = 67,180.20 × 28,267.52
  4. Step 4: Simplify right side
    48,679.52x = 1,899,017,647.10
  5. Step 5: Solve for x
    x = 1,899,017,647.10/48,679.52
  6. Step 6: Final answer
    x = 39,010.61

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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.