Home / 48,691.40-73,031.70-13,634.60

Finding the Fourth Proportional to 48,691.40, 73,031.70 and 13,634.60

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Solution

The fourth proportional to 48,691.40, 73,031.70 and 13,634.60 is: 20,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.40 : 73,031.70 = 13,634.60 : x
  2. Step 2: Convert to fraction form
    48,691.40/73,031.70 = 13,634.60/x
  3. Step 3: Cross multiply
    48,691.40x = 73,031.70 × 13,634.60
  4. Step 4: Simplify right side
    48,691.40x = 995,758,016.82
  5. Step 5: Solve for x
    x = 995,758,016.82/48,691.40
  6. Step 6: Final answer
    x = 20,450.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.