Home / 36,145.14-49,878.33-20,226.51

Finding the Fourth Proportional to 36,145.14, 49,878.33 and 20,226.51

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Solution

The fourth proportional to 36,145.14, 49,878.33 and 20,226.51 is: 27,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.14 : 49,878.33 = 20,226.51 : x
  2. Step 2: Convert to fraction form
    36,145.14/49,878.33 = 20,226.51/x
  3. Step 3: Cross multiply
    36,145.14x = 49,878.33 × 20,226.51
  4. Step 4: Simplify right side
    36,145.14x = 1,008,864,578.45
  5. Step 5: Solve for x
    x = 1,008,864,578.45/36,145.14
  6. Step 6: Final answer
    x = 27,911.49

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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.