Home / 30,019.92-44,981.28-18,297.60

Finding the Fourth Proportional to 30,019.92, 44,981.28 and 18,297.60

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Solution

The fourth proportional to 30,019.92, 44,981.28 and 18,297.60 is: 27,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.92 : 44,981.28 = 18,297.60 : x
  2. Step 2: Convert to fraction form
    30,019.92/44,981.28 = 18,297.60/x
  3. Step 3: Cross multiply
    30,019.92x = 44,981.28 × 18,297.60
  4. Step 4: Simplify right side
    30,019.92x = 823,049,468.93
  5. Step 5: Solve for x
    x = 823,049,468.93/30,019.92
  6. Step 6: Final answer
    x = 27,416.78

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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.