Home / 29,311.82-40,445.97-16,561.61

Finding the Fourth Proportional to 29,311.82, 40,445.97 and 16,561.61

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Solution

The fourth proportional to 29,311.82, 40,445.97 and 16,561.61 is: 22,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.82 : 40,445.97 = 16,561.61 : x
  2. Step 2: Convert to fraction form
    29,311.82/40,445.97 = 16,561.61/x
  3. Step 3: Cross multiply
    29,311.82x = 40,445.97 × 16,561.61
  4. Step 4: Simplify right side
    29,311.82x = 669,850,381.21
  5. Step 5: Solve for x
    x = 669,850,381.21/29,311.82
  6. Step 6: Final answer
    x = 22,852.57

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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.