Home / 48,327.60-66,662.59-31,974.78

Finding the Fourth Proportional to 48,327.60, 66,662.59 and 31,974.78

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Solution

The fourth proportional to 48,327.60, 66,662.59 and 31,974.78 is: 44,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,327.60 : 66,662.59 = 31,974.78 : x
  2. Step 2: Convert to fraction form
    48,327.60/66,662.59 = 31,974.78/x
  3. Step 3: Cross multiply
    48,327.60x = 66,662.59 × 31,974.78
  4. Step 4: Simplify right side
    48,327.60x = 2,131,521,649.48
  5. Step 5: Solve for x
    x = 2,131,521,649.48/48,327.60
  6. Step 6: Final answer
    x = 44,105.68

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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.