Home / 40,729.74-61,104.33-14,436.78

Finding the Fourth Proportional to 40,729.74, 61,104.33 and 14,436.78

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Solution

The fourth proportional to 40,729.74, 61,104.33 and 14,436.78 is: 21,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.74 : 61,104.33 = 14,436.78 : x
  2. Step 2: Convert to fraction form
    40,729.74/61,104.33 = 14,436.78/x
  3. Step 3: Cross multiply
    40,729.74x = 61,104.33 × 14,436.78
  4. Step 4: Simplify right side
    40,729.74x = 882,149,769.26
  5. Step 5: Solve for x
    x = 882,149,769.26/40,729.74
  6. Step 6: Final answer
    x = 21,658.62

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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.