Home / 65,739.29-98,614.40-21,365.06

Finding the Fourth Proportional to 65,739.29, 98,614.40 and 21,365.06

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Solution

The fourth proportional to 65,739.29, 98,614.40 and 21,365.06 is: 32,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.29 : 98,614.40 = 21,365.06 : x
  2. Step 2: Convert to fraction form
    65,739.29/98,614.40 = 21,365.06/x
  3. Step 3: Cross multiply
    65,739.29x = 98,614.40 × 21,365.06
  4. Step 4: Simplify right side
    65,739.29x = 2,106,901,972.97
  5. Step 5: Solve for x
    x = 2,106,901,972.97/65,739.29
  6. Step 6: Final answer
    x = 32,049.36

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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.