Home / 20,040.21-30,063.05-8,350.70

Finding the Fourth Proportional to 20,040.21, 30,063.05 and 8,350.70

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Solution

The fourth proportional to 20,040.21, 30,063.05 and 8,350.70 is: 12,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.21 : 30,063.05 = 8,350.70 : x
  2. Step 2: Convert to fraction form
    20,040.21/30,063.05 = 8,350.70/x
  3. Step 3: Cross multiply
    20,040.21x = 30,063.05 × 8,350.70
  4. Step 4: Simplify right side
    20,040.21x = 251,047,319.57
  5. Step 5: Solve for x
    x = 251,047,319.57/20,040.21
  6. Step 6: Final answer
    x = 12,527.18

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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.