Home / 39,936.67-59,914.38-11,856.96

Finding the Fourth Proportional to 39,936.67, 59,914.38 and 11,856.96

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Solution

The fourth proportional to 39,936.67, 59,914.38 and 11,856.96 is: 17,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.67 : 59,914.38 = 11,856.96 : x
  2. Step 2: Convert to fraction form
    39,936.67/59,914.38 = 11,856.96/x
  3. Step 3: Cross multiply
    39,936.67x = 59,914.38 × 11,856.96
  4. Step 4: Simplify right side
    39,936.67x = 710,402,283.04
  5. Step 5: Solve for x
    x = 710,402,283.04/39,936.67
  6. Step 6: Final answer
    x = 17,788.22

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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.