Home / 20,029.62-30,050.46-5,990.12

Finding the Fourth Proportional to 20,029.62, 30,050.46 and 5,990.12

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Solution

The fourth proportional to 20,029.62, 30,050.46 and 5,990.12 is: 8,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.62 : 30,050.46 = 5,990.12 : x
  2. Step 2: Convert to fraction form
    20,029.62/30,050.46 = 5,990.12/x
  3. Step 3: Cross multiply
    20,029.62x = 30,050.46 × 5,990.12
  4. Step 4: Simplify right side
    20,029.62x = 180,005,711.20
  5. Step 5: Solve for x
    x = 180,005,711.20/20,029.62
  6. Step 6: Final answer
    x = 8,986.98

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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.