Home / 45,080.14-67,599.69-18,769.18

Finding the Fourth Proportional to 45,080.14, 67,599.69 and 18,769.18

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Solution

The fourth proportional to 45,080.14, 67,599.69 and 18,769.18 is: 28,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,080.14 : 67,599.69 = 18,769.18 : x
  2. Step 2: Convert to fraction form
    45,080.14/67,599.69 = 18,769.18/x
  3. Step 3: Cross multiply
    45,080.14x = 67,599.69 × 18,769.18
  4. Step 4: Simplify right side
    45,080.14x = 1,268,790,749.55
  5. Step 5: Solve for x
    x = 1,268,790,749.55/45,080.14
  6. Step 6: Final answer
    x = 28,145.23

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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.