Home / 31,340.52-43,250.93-17,194.68

Finding the Fourth Proportional to 31,340.52, 43,250.93 and 17,194.68

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Solution

The fourth proportional to 31,340.52, 43,250.93 and 17,194.68 is: 23,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.52 : 43,250.93 = 17,194.68 : x
  2. Step 2: Convert to fraction form
    31,340.52/43,250.93 = 17,194.68/x
  3. Step 3: Cross multiply
    31,340.52x = 43,250.93 × 17,194.68
  4. Step 4: Simplify right side
    31,340.52x = 743,685,815.08
  5. Step 5: Solve for x
    x = 743,685,815.08/31,340.52
  6. Step 6: Final answer
    x = 23,729.21

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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.