Home / 31,186.88-43,037.28-17,575.04

Finding the Fourth Proportional to 31,186.88, 43,037.28 and 17,575.04

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Solution

The fourth proportional to 31,186.88, 43,037.28 and 17,575.04 is: 24,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.88 : 43,037.28 = 17,575.04 : x
  2. Step 2: Convert to fraction form
    31,186.88/43,037.28 = 17,575.04/x
  3. Step 3: Cross multiply
    31,186.88x = 43,037.28 × 17,575.04
  4. Step 4: Simplify right side
    31,186.88x = 756,381,917.49
  5. Step 5: Solve for x
    x = 756,381,917.49/31,186.88
  6. Step 6: Final answer
    x = 24,253.21

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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.