Home / 40,275.29-55,579.91-22,371.96

Finding the Fourth Proportional to 40,275.29, 55,579.91 and 22,371.96

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Solution

The fourth proportional to 40,275.29, 55,579.91 and 22,371.96 is: 30,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.29 : 55,579.91 = 22,371.96 : x
  2. Step 2: Convert to fraction form
    40,275.29/55,579.91 = 22,371.96/x
  3. Step 3: Cross multiply
    40,275.29x = 55,579.91 × 22,371.96
  4. Step 4: Simplify right side
    40,275.29x = 1,243,431,523.32
  5. Step 5: Solve for x
    x = 1,243,431,523.32/40,275.29
  6. Step 6: Final answer
    x = 30,873.31

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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.