Home / 20,176.82-30,265.37-7,029.17

Finding the Fourth Proportional to 20,176.82, 30,265.37 and 7,029.17

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Solution

The fourth proportional to 20,176.82, 30,265.37 and 7,029.17 is: 10,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.82 : 30,265.37 = 7,029.17 : x
  2. Step 2: Convert to fraction form
    20,176.82/30,265.37 = 7,029.17/x
  3. Step 3: Cross multiply
    20,176.82x = 30,265.37 × 7,029.17
  4. Step 4: Simplify right side
    20,176.82x = 212,740,244.37
  5. Step 5: Solve for x
    x = 212,740,244.37/20,176.82
  6. Step 6: Final answer
    x = 10,543.80

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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.