Home / 49,489.74-74,134.04-39,511.34

Finding the Fourth Proportional to 49,489.74, 74,134.04 and 39,511.34

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Solution

The fourth proportional to 49,489.74, 74,134.04 and 39,511.34 is: 59,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.74 : 74,134.04 = 39,511.34 : x
  2. Step 2: Convert to fraction form
    49,489.74/74,134.04 = 39,511.34/x
  3. Step 3: Cross multiply
    49,489.74x = 74,134.04 × 39,511.34
  4. Step 4: Simplify right side
    49,489.74x = 2,929,135,260.01
  5. Step 5: Solve for x
    x = 2,929,135,260.01/49,489.74
  6. Step 6: Final answer
    x = 59,186.72

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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.