Home / 40,026.48-55,236.55-22,121.48

Finding the Fourth Proportional to 40,026.48, 55,236.55 and 22,121.48

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Solution

The fourth proportional to 40,026.48, 55,236.55 and 22,121.48 is: 30,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.48 : 55,236.55 = 22,121.48 : x
  2. Step 2: Convert to fraction form
    40,026.48/55,236.55 = 22,121.48/x
  3. Step 3: Cross multiply
    40,026.48x = 55,236.55 × 22,121.48
  4. Step 4: Simplify right side
    40,026.48x = 1,221,914,452.64
  5. Step 5: Solve for x
    x = 1,221,914,452.64/40,026.48
  6. Step 6: Final answer
    x = 30,527.65

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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.