Home / 45,302.82-67,884.96-18,993.22

Finding the Fourth Proportional to 45,302.82, 67,884.96 and 18,993.22

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Solution

The fourth proportional to 45,302.82, 67,884.96 and 18,993.22 is: 28,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.82 : 67,884.96 = 18,993.22 : x
  2. Step 2: Convert to fraction form
    45,302.82/67,884.96 = 18,993.22/x
  3. Step 3: Cross multiply
    45,302.82x = 67,884.96 × 18,993.22
  4. Step 4: Simplify right side
    45,302.82x = 1,289,353,979.97
  5. Step 5: Solve for x
    x = 1,289,353,979.97/45,302.82
  6. Step 6: Final answer
    x = 28,460.79

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1.5x scale

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.