Home / 40,278.74-55,576.59-22,371.26

Finding the Fourth Proportional to 40,278.74, 55,576.59 and 22,371.26

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Solution

The fourth proportional to 40,278.74, 55,576.59 and 22,371.26 is: 30,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.74 : 55,576.59 = 22,371.26 : x
  2. Step 2: Convert to fraction form
    40,278.74/55,576.59 = 22,371.26/x
  3. Step 3: Cross multiply
    40,278.74x = 55,576.59 × 22,371.26
  4. Step 4: Simplify right side
    40,278.74x = 1,243,318,344.80
  5. Step 5: Solve for x
    x = 1,243,318,344.80/40,278.74
  6. Step 6: Final answer
    x = 30,867.86

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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.