Home / 40,274.89-55,579.34-22,371.56

Finding the Fourth Proportional to 40,274.89, 55,579.34 and 22,371.56

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Solution

The fourth proportional to 40,274.89, 55,579.34 and 22,371.56 is: 30,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.89 : 55,579.34 = 22,371.56 : x
  2. Step 2: Convert to fraction form
    40,274.89/55,579.34 = 22,371.56/x
  3. Step 3: Cross multiply
    40,274.89x = 55,579.34 × 22,371.56
  4. Step 4: Simplify right side
    40,274.89x = 1,243,396,421.81
  5. Step 5: Solve for x
    x = 1,243,396,421.81/40,274.89
  6. Step 6: Final answer
    x = 30,872.75

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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.