Home / 40,310.66-60,449.59-18,118.08

Finding the Fourth Proportional to 40,310.66, 60,449.59 and 18,118.08

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Solution

The fourth proportional to 40,310.66, 60,449.59 and 18,118.08 is: 27,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.66 : 60,449.59 = 18,118.08 : x
  2. Step 2: Convert to fraction form
    40,310.66/60,449.59 = 18,118.08/x
  3. Step 3: Cross multiply
    40,310.66x = 60,449.59 × 18,118.08
  4. Step 4: Simplify right side
    40,310.66x = 1,095,230,530.23
  5. Step 5: Solve for x
    x = 1,095,230,530.23/40,310.66
  6. Step 6: Final answer
    x = 27,169.75

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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.