Home / 48,728.80-67,246.85-28,600.19

Finding the Fourth Proportional to 48,728.80, 67,246.85 and 28,600.19

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Solution

The fourth proportional to 48,728.80, 67,246.85 and 28,600.19 is: 39,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.80 : 67,246.85 = 28,600.19 : x
  2. Step 2: Convert to fraction form
    48,728.80/67,246.85 = 28,600.19/x
  3. Step 3: Cross multiply
    48,728.80x = 67,246.85 × 28,600.19
  4. Step 4: Simplify right side
    48,728.80x = 1,923,272,712.02
  5. Step 5: Solve for x
    x = 1,923,272,712.02/48,728.80
  6. Step 6: Final answer
    x = 39,468.91

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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.