Home / 43,519.11-65,217.03-18,533.98

Finding the Fourth Proportional to 43,519.11, 65,217.03 and 18,533.98

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Solution

The fourth proportional to 43,519.11, 65,217.03 and 18,533.98 is: 27,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,519.11 : 65,217.03 = 18,533.98 : x
  2. Step 2: Convert to fraction form
    43,519.11/65,217.03 = 18,533.98/x
  3. Step 3: Cross multiply
    43,519.11x = 65,217.03 × 18,533.98
  4. Step 4: Simplify right side
    43,519.11x = 1,208,731,129.68
  5. Step 5: Solve for x
    x = 1,208,731,129.68/43,519.11
  6. Step 6: Final answer
    x = 27,774.72

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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.