Home / 65,515.24-98,255.82-18,757.18

Finding the Fourth Proportional to 65,515.24, 98,255.82 and 18,757.18

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Solution

The fourth proportional to 65,515.24, 98,255.82 and 18,757.18 is: 28,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,515.24 : 98,255.82 = 18,757.18 : x
  2. Step 2: Convert to fraction form
    65,515.24/98,255.82 = 18,757.18/x
  3. Step 3: Cross multiply
    65,515.24x = 98,255.82 × 18,757.18
  4. Step 4: Simplify right side
    65,515.24x = 1,843,002,101.79
  5. Step 5: Solve for x
    x = 1,843,002,101.79/65,515.24
  6. Step 6: Final answer
    x = 28,130.89

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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.