Home / 65,767.13-98,651.61-21,394.12

Finding the Fourth Proportional to 65,767.13, 98,651.61 and 21,394.12

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Solution

The fourth proportional to 65,767.13, 98,651.61 and 21,394.12 is: 32,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.13 : 98,651.61 = 21,394.12 : x
  2. Step 2: Convert to fraction form
    65,767.13/98,651.61 = 21,394.12/x
  3. Step 3: Cross multiply
    65,767.13x = 98,651.61 × 21,394.12
  4. Step 4: Simplify right side
    65,767.13x = 2,110,563,782.30
  5. Step 5: Solve for x
    x = 2,110,563,782.30/65,767.13
  6. Step 6: Final answer
    x = 32,091.47

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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.