Home / 40,294.60-55,608.22-22,389.75

Finding the Fourth Proportional to 40,294.60, 55,608.22 and 22,389.75

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Solution

The fourth proportional to 40,294.60, 55,608.22 and 22,389.75 is: 30,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.60 : 55,608.22 = 22,389.75 : x
  2. Step 2: Convert to fraction form
    40,294.60/55,608.22 = 22,389.75/x
  3. Step 3: Cross multiply
    40,294.60x = 55,608.22 × 22,389.75
  4. Step 4: Simplify right side
    40,294.60x = 1,245,054,171.73
  5. Step 5: Solve for x
    x = 1,245,054,171.73/40,294.60
  6. Step 6: Final answer
    x = 30,898.79

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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.