Home / 40,149.16-55,403.71-22,243.75

Finding the Fourth Proportional to 40,149.16, 55,403.71 and 22,243.75

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Solution

The fourth proportional to 40,149.16, 55,403.71 and 22,243.75 is: 30,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.16 : 55,403.71 = 22,243.75 : x
  2. Step 2: Convert to fraction form
    40,149.16/55,403.71 = 22,243.75/x
  3. Step 3: Cross multiply
    40,149.16x = 55,403.71 × 22,243.75
  4. Step 4: Simplify right side
    40,149.16x = 1,232,386,274.31
  5. Step 5: Solve for x
    x = 1,232,386,274.31/40,149.16
  6. Step 6: Final answer
    x = 30,695.19

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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.