Home / 20,226.39-30,119.24-20,005.30

Finding the Fourth Proportional to 20,226.39, 30,119.24 and 20,005.30

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Solution

The fourth proportional to 20,226.39, 30,119.24 and 20,005.30 is: 29,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.39 : 30,119.24 = 20,005.30 : x
  2. Step 2: Convert to fraction form
    20,226.39/30,119.24 = 20,005.30/x
  3. Step 3: Cross multiply
    20,226.39x = 30,119.24 × 20,005.30
  4. Step 4: Simplify right side
    20,226.39x = 602,544,350.21
  5. Step 5: Solve for x
    x = 602,544,350.21/20,226.39
  6. Step 6: Final answer
    x = 29,790.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.