Home / 49,489.20-74,233.80-14,424.30

Finding the Fourth Proportional to 49,489.20, 74,233.80 and 14,424.30

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Solution

The fourth proportional to 49,489.20, 74,233.80 and 14,424.30 is: 21,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.20 : 74,233.80 = 14,424.30 : x
  2. Step 2: Convert to fraction form
    49,489.20/74,233.80 = 14,424.30/x
  3. Step 3: Cross multiply
    49,489.20x = 74,233.80 × 14,424.30
  4. Step 4: Simplify right side
    49,489.20x = 1,070,770,601.34
  5. Step 5: Solve for x
    x = 1,070,770,601.34/49,489.20
  6. Step 6: Final answer
    x = 21,636.45

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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.