Home / 30,049.28-41,467.23-16,620.20

Finding the Fourth Proportional to 30,049.28, 41,467.23 and 16,620.20

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Solution

The fourth proportional to 30,049.28, 41,467.23 and 16,620.20 is: 22,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.28 : 41,467.23 = 16,620.20 : x
  2. Step 2: Convert to fraction form
    30,049.28/41,467.23 = 16,620.20/x
  3. Step 3: Cross multiply
    30,049.28x = 41,467.23 × 16,620.20
  4. Step 4: Simplify right side
    30,049.28x = 689,193,656.05
  5. Step 5: Solve for x
    x = 689,193,656.05/30,049.28
  6. Step 6: Final answer
    x = 22,935.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.