Home / 41,119.82-61,615.12-31,782.70

Finding the Fourth Proportional to 41,119.82, 61,615.12 and 31,782.70

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Solution

The fourth proportional to 41,119.82, 61,615.12 and 31,782.70 is: 47,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,119.82 : 61,615.12 = 31,782.70 : x
  2. Step 2: Convert to fraction form
    41,119.82/61,615.12 = 31,782.70/x
  3. Step 3: Cross multiply
    41,119.82x = 61,615.12 × 31,782.70
  4. Step 4: Simplify right side
    41,119.82x = 1,958,294,874.42
  5. Step 5: Solve for x
    x = 1,958,294,874.42/41,119.82
  6. Step 6: Final answer
    x = 47,624.11

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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.