Home / 51,815.54-71,503.88-29,155.80

Finding the Fourth Proportional to 51,815.54, 71,503.88 and 29,155.80

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Solution

The fourth proportional to 51,815.54, 71,503.88 and 29,155.80 is: 40,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.54 : 71,503.88 = 29,155.80 : x
  2. Step 2: Convert to fraction form
    51,815.54/71,503.88 = 29,155.80/x
  3. Step 3: Cross multiply
    51,815.54x = 71,503.88 × 29,155.80
  4. Step 4: Simplify right side
    51,815.54x = 2,084,752,824.50
  5. Step 5: Solve for x
    x = 2,084,752,824.50/51,815.54
  6. Step 6: Final answer
    x = 40,234.12

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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.