Home / 40,233.74-55,486.23-25,127.78

Finding the Fourth Proportional to 40,233.74, 55,486.23 and 25,127.78

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Solution

The fourth proportional to 40,233.74, 55,486.23 and 25,127.78 is: 34,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.74 : 55,486.23 = 25,127.78 : x
  2. Step 2: Convert to fraction form
    40,233.74/55,486.23 = 25,127.78/x
  3. Step 3: Cross multiply
    40,233.74x = 55,486.23 × 25,127.78
  4. Step 4: Simplify right side
    40,233.74x = 1,394,245,780.47
  5. Step 5: Solve for x
    x = 1,394,245,780.47/40,233.74
  6. Step 6: Final answer
    x = 34,653.65

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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.