Home / 20,298.94-30,449.05-5,508.19

Finding the Fourth Proportional to 20,298.94, 30,449.05 and 5,508.19

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Solution

The fourth proportional to 20,298.94, 30,449.05 and 5,508.19 is: 8,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.94 : 30,449.05 = 5,508.19 : x
  2. Step 2: Convert to fraction form
    20,298.94/30,449.05 = 5,508.19/x
  3. Step 3: Cross multiply
    20,298.94x = 30,449.05 × 5,508.19
  4. Step 4: Simplify right side
    20,298.94x = 167,719,152.72
  5. Step 5: Solve for x
    x = 167,719,152.72/20,298.94
  6. Step 6: Final answer
    x = 8,262.46

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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.