Home / 65,891.81-98,837.44-15,971.85

Finding the Fourth Proportional to 65,891.81, 98,837.44 and 15,971.85

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Solution

The fourth proportional to 65,891.81, 98,837.44 and 15,971.85 is: 23,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.81 : 98,837.44 = 15,971.85 : x
  2. Step 2: Convert to fraction form
    65,891.81/98,837.44 = 15,971.85/x
  3. Step 3: Cross multiply
    65,891.81x = 98,837.44 × 15,971.85
  4. Step 4: Simplify right side
    65,891.81x = 1,578,616,766.06
  5. Step 5: Solve for x
    x = 1,578,616,766.06/65,891.81
  6. Step 6: Final answer
    x = 23,957.71

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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.