Home / 31,456.50-43,409.97-17,309.04

Finding the Fourth Proportional to 31,456.50, 43,409.97 and 17,309.04

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Solution

The fourth proportional to 31,456.50, 43,409.97 and 17,309.04 is: 23,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.50 : 43,409.97 = 17,309.04 : x
  2. Step 2: Convert to fraction form
    31,456.50/43,409.97 = 17,309.04/x
  3. Step 3: Cross multiply
    31,456.50x = 43,409.97 × 17,309.04
  4. Step 4: Simplify right side
    31,456.50x = 751,384,907.13
  5. Step 5: Solve for x
    x = 751,384,907.13/31,456.50
  6. Step 6: Final answer
    x = 23,886.48

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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.