Home / 30,414.28-45,621.66-8,227.84

Finding the Fourth Proportional to 30,414.28, 45,621.66 and 8,227.84

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Solution

The fourth proportional to 30,414.28, 45,621.66 and 8,227.84 is: 12,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.28 : 45,621.66 = 8,227.84 : x
  2. Step 2: Convert to fraction form
    30,414.28/45,621.66 = 8,227.84/x
  3. Step 3: Cross multiply
    30,414.28x = 45,621.66 × 8,227.84
  4. Step 4: Simplify right side
    30,414.28x = 375,367,719.01
  5. Step 5: Solve for x
    x = 375,367,719.01/30,414.28
  6. Step 6: Final answer
    x = 12,341.82

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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.