Home / 43,517.06-65,279.05-18,557.32

Finding the Fourth Proportional to 43,517.06, 65,279.05 and 18,557.32

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Solution

The fourth proportional to 43,517.06, 65,279.05 and 18,557.32 is: 27,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,517.06 : 65,279.05 = 18,557.32 : x
  2. Step 2: Convert to fraction form
    43,517.06/65,279.05 = 18,557.32/x
  3. Step 3: Cross multiply
    43,517.06x = 65,279.05 × 18,557.32
  4. Step 4: Simplify right side
    43,517.06x = 1,211,404,486.64
  5. Step 5: Solve for x
    x = 1,211,404,486.64/43,517.06
  6. Step 6: Final answer
    x = 27,837.46

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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.