Home / 47,006.98-70,517.05-13,729.48

Finding the Fourth Proportional to 47,006.98, 70,517.05 and 13,729.48

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Solution

The fourth proportional to 47,006.98, 70,517.05 and 13,729.48 is: 20,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,006.98 : 70,517.05 = 13,729.48 : x
  2. Step 2: Convert to fraction form
    47,006.98/70,517.05 = 13,729.48/x
  3. Step 3: Cross multiply
    47,006.98x = 70,517.05 × 13,729.48
  4. Step 4: Simplify right side
    47,006.98x = 968,162,217.02
  5. Step 5: Solve for x
    x = 968,162,217.02/47,006.98
  6. Step 6: Final answer
    x = 20,596.14

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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.