Home / 43,493.46-65,264.82-18,530.88

Finding the Fourth Proportional to 43,493.46, 65,264.82 and 18,530.88

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Solution

The fourth proportional to 43,493.46, 65,264.82 and 18,530.88 is: 27,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,493.46 : 65,264.82 = 18,530.88 : x
  2. Step 2: Convert to fraction form
    43,493.46/65,264.82 = 18,530.88/x
  3. Step 3: Cross multiply
    43,493.46x = 65,264.82 × 18,530.88
  4. Step 4: Simplify right side
    43,493.46x = 1,209,414,547.64
  5. Step 5: Solve for x
    x = 1,209,414,547.64/43,493.46
  6. Step 6: Final answer
    x = 27,806.81

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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.