Home / 65,443.27-98,164.91-18,696.15

Finding the Fourth Proportional to 65,443.27, 98,164.91 and 18,696.15

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Solution

The fourth proportional to 65,443.27, 98,164.91 and 18,696.15 is: 28,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,443.27 : 98,164.91 = 18,696.15 : x
  2. Step 2: Convert to fraction form
    65,443.27/98,164.91 = 18,696.15/x
  3. Step 3: Cross multiply
    65,443.27x = 98,164.91 × 18,696.15
  4. Step 4: Simplify right side
    65,443.27x = 1,835,305,391.27
  5. Step 5: Solve for x
    x = 1,835,305,391.27/65,443.27
  6. Step 6: Final answer
    x = 28,044.22

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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.