Home / 29,647.11-40,911.84-16,218.39

Finding the Fourth Proportional to 29,647.11, 40,911.84 and 16,218.39

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Solution

The fourth proportional to 29,647.11, 40,911.84 and 16,218.39 is: 22,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.11 : 40,911.84 = 16,218.39 : x
  2. Step 2: Convert to fraction form
    29,647.11/40,911.84 = 16,218.39/x
  3. Step 3: Cross multiply
    29,647.11x = 40,911.84 × 16,218.39
  4. Step 4: Simplify right side
    29,647.11x = 663,524,176.74
  5. Step 5: Solve for x
    x = 663,524,176.74/29,647.11
  6. Step 6: Final answer
    x = 22,380.74

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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.