Home / 61,191.54-91,769.66-16,819.74

Finding the Fourth Proportional to 61,191.54, 91,769.66 and 16,819.74

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Solution

The fourth proportional to 61,191.54, 91,769.66 and 16,819.74 is: 25,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.54 : 91,769.66 = 16,819.74 : x
  2. Step 2: Convert to fraction form
    61,191.54/91,769.66 = 16,819.74/x
  3. Step 3: Cross multiply
    61,191.54x = 91,769.66 × 16,819.74
  4. Step 4: Simplify right side
    61,191.54x = 1,543,541,821.09
  5. Step 5: Solve for x
    x = 1,543,541,821.09/61,191.54
  6. Step 6: Final answer
    x = 25,224.76

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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.