Home / 22,477.62-33,679.22-20,159.68

Finding the Fourth Proportional to 22,477.62, 33,679.22 and 20,159.68

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Solution

The fourth proportional to 22,477.62, 33,679.22 and 20,159.68 is: 30,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.62 : 33,679.22 = 20,159.68 : x
  2. Step 2: Convert to fraction form
    22,477.62/33,679.22 = 20,159.68/x
  3. Step 3: Cross multiply
    22,477.62x = 33,679.22 × 20,159.68
  4. Step 4: Simplify right side
    22,477.62x = 678,962,297.85
  5. Step 5: Solve for x
    x = 678,962,297.85/22,477.62
  6. Step 6: Final answer
    x = 30,206.15

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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.