Home / 31,326.35-43,230.57-17,179.19

Finding the Fourth Proportional to 31,326.35, 43,230.57 and 17,179.19

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Solution

The fourth proportional to 31,326.35, 43,230.57 and 17,179.19 is: 23,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.35 : 43,230.57 = 17,179.19 : x
  2. Step 2: Convert to fraction form
    31,326.35/43,230.57 = 17,179.19/x
  3. Step 3: Cross multiply
    31,326.35x = 43,230.57 × 17,179.19
  4. Step 4: Simplify right side
    31,326.35x = 742,665,959.69
  5. Step 5: Solve for x
    x = 742,665,959.69/31,326.35
  6. Step 6: Final answer
    x = 23,707.39

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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.