Home / 40,564.40-55,976.40-22,660.56

Finding the Fourth Proportional to 40,564.40, 55,976.40 and 22,660.56

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Solution

The fourth proportional to 40,564.40, 55,976.40 and 22,660.56 is: 31,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564.40 : 55,976.40 = 22,660.56 : x
  2. Step 2: Convert to fraction form
    40,564.40/55,976.40 = 22,660.56/x
  3. Step 3: Cross multiply
    40,564.40x = 55,976.40 × 22,660.56
  4. Step 4: Simplify right side
    40,564.40x = 1,268,456,570.78
  5. Step 5: Solve for x
    x = 1,268,456,570.78/40,564.40
  6. Step 6: Final answer
    x = 31,270.20

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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.