Home / 29,277.13-40,401.03-16,531.78

Finding the Fourth Proportional to 29,277.13, 40,401.03 and 16,531.78

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Solution

The fourth proportional to 29,277.13, 40,401.03 and 16,531.78 is: 22,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.13 : 40,401.03 = 16,531.78 : x
  2. Step 2: Convert to fraction form
    29,277.13/40,401.03 = 16,531.78/x
  3. Step 3: Cross multiply
    29,277.13x = 40,401.03 × 16,531.78
  4. Step 4: Simplify right side
    29,277.13x = 667,900,939.73
  5. Step 5: Solve for x
    x = 667,900,939.73/29,277.13
  6. Step 6: Final answer
    x = 22,813.06

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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.