Home / 39,961.58-59,942.36-11,881.52

Finding the Fourth Proportional to 39,961.58, 59,942.36 and 11,881.52

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Solution

The fourth proportional to 39,961.58, 59,942.36 and 11,881.52 is: 17,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.58 : 59,942.36 = 11,881.52 : x
  2. Step 2: Convert to fraction form
    39,961.58/59,942.36 = 11,881.52/x
  3. Step 3: Cross multiply
    39,961.58x = 59,942.36 × 11,881.52
  4. Step 4: Simplify right side
    39,961.58x = 712,205,990.07
  5. Step 5: Solve for x
    x = 712,205,990.07/39,961.58
  6. Step 6: Final answer
    x = 17,822.27

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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.