Home / 29,611.45-40,863.69-16,182.78

Finding the Fourth Proportional to 29,611.45, 40,863.69 and 16,182.78

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Solution

The fourth proportional to 29,611.45, 40,863.69 and 16,182.78 is: 22,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,611.45 : 40,863.69 = 16,182.78 : x
  2. Step 2: Convert to fraction form
    29,611.45/40,863.69 = 16,182.78/x
  3. Step 3: Cross multiply
    29,611.45x = 40,863.69 × 16,182.78
  4. Step 4: Simplify right side
    29,611.45x = 661,288,105.26
  5. Step 5: Solve for x
    x = 661,288,105.26/29,611.45
  6. Step 6: Final answer
    x = 22,332.18

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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.