Home / 40,179.92-55,448.96-22,275.68

Finding the Fourth Proportional to 40,179.92, 55,448.96 and 22,275.68

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Solution

The fourth proportional to 40,179.92, 55,448.96 and 22,275.68 is: 30,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.92 : 55,448.96 = 22,275.68 : x
  2. Step 2: Convert to fraction form
    40,179.92/55,448.96 = 22,275.68/x
  3. Step 3: Cross multiply
    40,179.92x = 55,448.96 × 22,275.68
  4. Step 4: Simplify right side
    40,179.92x = 1,235,162,900.67
  5. Step 5: Solve for x
    x = 1,235,162,900.67/40,179.92
  6. Step 6: Final answer
    x = 30,740.80

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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.