Home / 31,204.97-43,059.53-18,458.63

Finding the Fourth Proportional to 31,204.97, 43,059.53 and 18,458.63

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Solution

The fourth proportional to 31,204.97, 43,059.53 and 18,458.63 is: 25,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.97 : 43,059.53 = 18,458.63 : x
  2. Step 2: Convert to fraction form
    31,204.97/43,059.53 = 18,458.63/x
  3. Step 3: Cross multiply
    31,204.97x = 43,059.53 × 18,458.63
  4. Step 4: Simplify right side
    31,204.97x = 794,819,932.24
  5. Step 5: Solve for x
    x = 794,819,932.24/31,204.97
  6. Step 6: Final answer
    x = 25,470.94

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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.