Home / 39,961.40-59,942.07-11,881.33

Finding the Fourth Proportional to 39,961.40, 59,942.07 and 11,881.33

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Solution

The fourth proportional to 39,961.40, 59,942.07 and 11,881.33 is: 17,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.40 : 59,942.07 = 11,881.33 : x
  2. Step 2: Convert to fraction form
    39,961.40/59,942.07 = 11,881.33/x
  3. Step 3: Cross multiply
    39,961.40x = 59,942.07 × 11,881.33
  4. Step 4: Simplify right side
    39,961.40x = 712,191,364.70
  5. Step 5: Solve for x
    x = 712,191,364.70/39,961.40
  6. Step 6: Final answer
    x = 17,821.98

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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.