Home / 65,250.06-97,859.12-20,867.62

Finding the Fourth Proportional to 65,250.06, 97,859.12 and 20,867.62

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Solution

The fourth proportional to 65,250.06, 97,859.12 and 20,867.62 is: 31,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.06 : 97,859.12 = 20,867.62 : x
  2. Step 2: Convert to fraction form
    65,250.06/97,859.12 = 20,867.62/x
  3. Step 3: Cross multiply
    65,250.06x = 97,859.12 × 20,867.62
  4. Step 4: Simplify right side
    65,250.06x = 2,042,086,929.69
  5. Step 5: Solve for x
    x = 2,042,086,929.69/65,250.06
  6. Step 6: Final answer
    x = 31,296.32

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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.