Home / 32,882.03-45,366.50-20,121.90

Finding the Fourth Proportional to 32,882.03, 45,366.50 and 20,121.90

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Solution

The fourth proportional to 32,882.03, 45,366.50 and 20,121.90 is: 27,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.03 : 45,366.50 = 20,121.90 : x
  2. Step 2: Convert to fraction form
    32,882.03/45,366.50 = 20,121.90/x
  3. Step 3: Cross multiply
    32,882.03x = 45,366.50 × 20,121.90
  4. Step 4: Simplify right side
    32,882.03x = 912,860,226.65
  5. Step 5: Solve for x
    x = 912,860,226.65/32,882.03
  6. Step 6: Final answer
    x = 27,761.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.