Home / 30,019.92-41,425.44-16,591.20

Finding the Fourth Proportional to 30,019.92, 41,425.44 and 16,591.20

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Solution

The fourth proportional to 30,019.92, 41,425.44 and 16,591.20 is: 22,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.92 : 41,425.44 = 16,591.20 : x
  2. Step 2: Convert to fraction form
    30,019.92/41,425.44 = 16,591.20/x
  3. Step 3: Cross multiply
    30,019.92x = 41,425.44 × 16,591.20
  4. Step 4: Simplify right side
    30,019.92x = 687,297,760.13
  5. Step 5: Solve for x
    x = 687,297,760.13/30,019.92
  6. Step 6: Final answer
    x = 22,894.72

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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.