Home / 39,770.36-59,665.67-11,691.41

Finding the Fourth Proportional to 39,770.36, 59,665.67 and 11,691.41

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Solution

The fourth proportional to 39,770.36, 59,665.67 and 11,691.41 is: 17,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.36 : 59,665.67 = 11,691.41 : x
  2. Step 2: Convert to fraction form
    39,770.36/59,665.67 = 11,691.41/x
  3. Step 3: Cross multiply
    39,770.36x = 59,665.67 × 11,691.41
  4. Step 4: Simplify right side
    39,770.36x = 697,575,454.11
  5. Step 5: Solve for x
    x = 697,575,454.11/39,770.36
  6. Step 6: Final answer
    x = 17,540.09

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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.