Home / 45,542.27-68,293.34-20,581.31

Finding the Fourth Proportional to 45,542.27, 68,293.34 and 20,581.31

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Solution

The fourth proportional to 45,542.27, 68,293.34 and 20,581.31 is: 30,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.27 : 68,293.34 = 20,581.31 : x
  2. Step 2: Convert to fraction form
    45,542.27/68,293.34 = 20,581.31/x
  3. Step 3: Cross multiply
    45,542.27x = 68,293.34 × 20,581.31
  4. Step 4: Simplify right side
    45,542.27x = 1,405,566,401.48
  5. Step 5: Solve for x
    x = 1,405,566,401.48/45,542.27
  6. Step 6: Final answer
    x = 30,862.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.