Home / 40,565.49-55,976.36-22,660.11

Finding the Fourth Proportional to 40,565.49, 55,976.36 and 22,660.11

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Solution

The fourth proportional to 40,565.49, 55,976.36 and 22,660.11 is: 31,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.49 : 55,976.36 = 22,660.11 : x
  2. Step 2: Convert to fraction form
    40,565.49/55,976.36 = 22,660.11/x
  3. Step 3: Cross multiply
    40,565.49x = 55,976.36 × 22,660.11
  4. Step 4: Simplify right side
    40,565.49x = 1,268,430,475.00
  5. Step 5: Solve for x
    x = 1,268,430,475.00/40,565.49
  6. Step 6: Final answer
    x = 31,268.71

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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.