Home / 20,043.14-30,064.91-8,950.39

Finding the Fourth Proportional to 20,043.14, 30,064.91 and 8,950.39

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Solution

The fourth proportional to 20,043.14, 30,064.91 and 8,950.39 is: 13,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.14 : 30,064.91 = 8,950.39 : x
  2. Step 2: Convert to fraction form
    20,043.14/30,064.91 = 8,950.39/x
  3. Step 3: Cross multiply
    20,043.14x = 30,064.91 × 8,950.39
  4. Step 4: Simplify right side
    20,043.14x = 269,092,549.90
  5. Step 5: Solve for x
    x = 269,092,549.90/20,043.14
  6. Step 6: Final answer
    x = 13,425.67

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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.