Home / 48,931.62-67,524.46-28,789.80

Finding the Fourth Proportional to 48,931.62, 67,524.46 and 28,789.80

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Solution

The fourth proportional to 48,931.62, 67,524.46 and 28,789.80 is: 39,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.62 : 67,524.46 = 28,789.80 : x
  2. Step 2: Convert to fraction form
    48,931.62/67,524.46 = 28,789.80/x
  3. Step 3: Cross multiply
    48,931.62x = 67,524.46 × 28,789.80
  4. Step 4: Simplify right side
    48,931.62x = 1,944,015,698.51
  5. Step 5: Solve for x
    x = 1,944,015,698.51/48,931.62
  6. Step 6: Final answer
    x = 39,729.23

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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.