Home / 20,177.57-30,266.51-7,029.90

Finding the Fourth Proportional to 20,177.57, 30,266.51 and 7,029.90

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Solution

The fourth proportional to 20,177.57, 30,266.51 and 7,029.90 is: 10,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.57 : 30,266.51 = 7,029.90 : x
  2. Step 2: Convert to fraction form
    20,177.57/30,266.51 = 7,029.90/x
  3. Step 3: Cross multiply
    20,177.57x = 30,266.51 × 7,029.90
  4. Step 4: Simplify right side
    20,177.57x = 212,770,503.50
  5. Step 5: Solve for x
    x = 212,770,503.50/20,177.57
  6. Step 6: Final answer
    x = 10,544.90

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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.