Home / 34,295.47-51,449.34-12,121.72

Finding the Fourth Proportional to 34,295.47, 51,449.34 and 12,121.72

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Solution

The fourth proportional to 34,295.47, 51,449.34 and 12,121.72 is: 18,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,295.47 : 51,449.34 = 12,121.72 : x
  2. Step 2: Convert to fraction form
    34,295.47/51,449.34 = 12,121.72/x
  3. Step 3: Cross multiply
    34,295.47x = 51,449.34 × 12,121.72
  4. Step 4: Simplify right side
    34,295.47x = 623,654,493.66
  5. Step 5: Solve for x
    x = 623,654,493.66/34,295.47
  6. Step 6: Final answer
    x = 18,184.75

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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.