Home / 31,186.72-43,037.64-17,573.68

Finding the Fourth Proportional to 31,186.72, 43,037.64 and 17,573.68

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Solution

The fourth proportional to 31,186.72, 43,037.64 and 17,573.68 is: 24,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.72 : 43,037.64 = 17,573.68 : x
  2. Step 2: Convert to fraction form
    31,186.72/43,037.64 = 17,573.68/x
  3. Step 3: Cross multiply
    31,186.72x = 43,037.64 × 17,573.68
  4. Step 4: Simplify right side
    31,186.72x = 756,329,713.32
  5. Step 5: Solve for x
    x = 756,329,713.32/31,186.72
  6. Step 6: Final answer
    x = 24,251.66

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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.