Home / 31,267.08-43,147.56-17,119.08

Finding the Fourth Proportional to 31,267.08, 43,147.56 and 17,119.08

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Solution

The fourth proportional to 31,267.08, 43,147.56 and 17,119.08 is: 23,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.08 : 43,147.56 = 17,119.08 : x
  2. Step 2: Convert to fraction form
    31,267.08/43,147.56 = 17,119.08/x
  3. Step 3: Cross multiply
    31,267.08x = 43,147.56 × 17,119.08
  4. Step 4: Simplify right side
    31,267.08x = 738,646,531.44
  5. Step 5: Solve for x
    x = 738,646,531.44/31,267.08
  6. Step 6: Final answer
    x = 23,623.78

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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.