Home / 20,035.62-30,053.69-8,942.91

Finding the Fourth Proportional to 20,035.62, 30,053.69 and 8,942.91

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Solution

The fourth proportional to 20,035.62, 30,053.69 and 8,942.91 is: 13,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.62 : 30,053.69 = 8,942.91 : x
  2. Step 2: Convert to fraction form
    20,035.62/30,053.69 = 8,942.91/x
  3. Step 3: Cross multiply
    20,035.62x = 30,053.69 × 8,942.91
  4. Step 4: Simplify right side
    20,035.62x = 268,767,400.12
  5. Step 5: Solve for x
    x = 268,767,400.12/20,035.62
  6. Step 6: Final answer
    x = 13,414.48

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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.