Home / 29,161.11-40,243.65-16,418.68

Finding the Fourth Proportional to 29,161.11, 40,243.65 and 16,418.68

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Solution

The fourth proportional to 29,161.11, 40,243.65 and 16,418.68 is: 22,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.11 : 40,243.65 = 16,418.68 : x
  2. Step 2: Convert to fraction form
    29,161.11/40,243.65 = 16,418.68/x
  3. Step 3: Cross multiply
    29,161.11x = 40,243.65 × 16,418.68
  4. Step 4: Simplify right side
    29,161.11x = 660,747,449.20
  5. Step 5: Solve for x
    x = 660,747,449.20/29,161.11
  6. Step 6: Final answer
    x = 22,658.51

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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.