Home / 31,625.40-43,634.52-18,200.46

Finding the Fourth Proportional to 31,625.40, 43,634.52 and 18,200.46

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Solution

The fourth proportional to 31,625.40, 43,634.52 and 18,200.46 is: 25,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.40 : 43,634.52 = 18,200.46 : x
  2. Step 2: Convert to fraction form
    31,625.40/43,634.52 = 18,200.46/x
  3. Step 3: Cross multiply
    31,625.40x = 43,634.52 × 18,200.46
  4. Step 4: Simplify right side
    31,625.40x = 794,168,335.88
  5. Step 5: Solve for x
    x = 794,168,335.88/31,625.40
  6. Step 6: Final answer
    x = 25,111.72

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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.