Home / 40,579.38-55,999.42-22,674.40

Finding the Fourth Proportional to 40,579.38, 55,999.42 and 22,674.40

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Solution

The fourth proportional to 40,579.38, 55,999.42 and 22,674.40 is: 31,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.38 : 55,999.42 = 22,674.40 : x
  2. Step 2: Convert to fraction form
    40,579.38/55,999.42 = 22,674.40/x
  3. Step 3: Cross multiply
    40,579.38x = 55,999.42 × 22,674.40
  4. Step 4: Simplify right side
    40,579.38x = 1,269,753,248.85
  5. Step 5: Solve for x
    x = 1,269,753,248.85/40,579.38
  6. Step 6: Final answer
    x = 31,290.60

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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.