Home / 40,568.40-55,986.56-22,663.80

Finding the Fourth Proportional to 40,568.40, 55,986.56 and 22,663.80

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Solution

The fourth proportional to 40,568.40, 55,986.56 and 22,663.80 is: 31,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.40 : 55,986.56 = 22,663.80 : x
  2. Step 2: Convert to fraction form
    40,568.40/55,986.56 = 22,663.80/x
  3. Step 3: Cross multiply
    40,568.40x = 55,986.56 × 22,663.80
  4. Step 4: Simplify right side
    40,568.40x = 1,268,868,198.53
  5. Step 5: Solve for x
    x = 1,268,868,198.53/40,568.40
  6. Step 6: Final answer
    x = 31,277.26

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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.