Home / 31,186.77-43,037.88-17,039.62

Finding the Fourth Proportional to 31,186.77, 43,037.88 and 17,039.62

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Solution

The fourth proportional to 31,186.77, 43,037.88 and 17,039.62 is: 23,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.77 : 43,037.88 = 17,039.62 : x
  2. Step 2: Convert to fraction form
    31,186.77/43,037.88 = 17,039.62/x
  3. Step 3: Cross multiply
    31,186.77x = 43,037.88 × 17,039.62
  4. Step 4: Simplify right side
    31,186.77x = 733,348,964.46
  5. Step 5: Solve for x
    x = 733,348,964.46/31,186.77
  6. Step 6: Final answer
    x = 23,514.74

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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.