Home / 65,520.11-98,279.62-18,773.03

Finding the Fourth Proportional to 65,520.11, 98,279.62 and 18,773.03

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Solution

The fourth proportional to 65,520.11, 98,279.62 and 18,773.03 is: 28,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.11 : 98,279.62 = 18,773.03 : x
  2. Step 2: Convert to fraction form
    65,520.11/98,279.62 = 18,773.03/x
  3. Step 3: Cross multiply
    65,520.11x = 98,279.62 × 18,773.03
  4. Step 4: Simplify right side
    65,520.11x = 1,845,005,716.32
  5. Step 5: Solve for x
    x = 1,845,005,716.32/65,520.11
  6. Step 6: Final answer
    x = 28,159.38

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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.