Home / 43,670.11-65,530.56-18,367.78

Finding the Fourth Proportional to 43,670.11, 65,530.56 and 18,367.78

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Solution

The fourth proportional to 43,670.11, 65,530.56 and 18,367.78 is: 27,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.11 : 65,530.56 = 18,367.78 : x
  2. Step 2: Convert to fraction form
    43,670.11/65,530.56 = 18,367.78/x
  3. Step 3: Cross multiply
    43,670.11x = 65,530.56 × 18,367.78
  4. Step 4: Simplify right side
    43,670.11x = 1,203,650,909.36
  5. Step 5: Solve for x
    x = 1,203,650,909.36/43,670.11
  6. Step 6: Final answer
    x = 27,562.35

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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.