Home / 30,201.38-45,298.56-8,016.48

Finding the Fourth Proportional to 30,201.38, 45,298.56 and 8,016.48

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Solution

The fourth proportional to 30,201.38, 45,298.56 and 8,016.48 is: 12,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.38 : 45,298.56 = 8,016.48 : x
  2. Step 2: Convert to fraction form
    30,201.38/45,298.56 = 8,016.48/x
  3. Step 3: Cross multiply
    30,201.38x = 45,298.56 × 8,016.48
  4. Step 4: Simplify right side
    30,201.38x = 363,135,045.12
  5. Step 5: Solve for x
    x = 363,135,045.12/30,201.38
  6. Step 6: Final answer
    x = 12,023.79

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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.