Home / 49,012.83-73,522.76-20,521.11

Finding the Fourth Proportional to 49,012.83, 73,522.76 and 20,521.11

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Solution

The fourth proportional to 49,012.83, 73,522.76 and 20,521.11 is: 30,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,012.83 : 73,522.76 = 20,521.11 : x
  2. Step 2: Convert to fraction form
    49,012.83/73,522.76 = 20,521.11/x
  3. Step 3: Cross multiply
    49,012.83x = 73,522.76 × 20,521.11
  4. Step 4: Simplify right side
    49,012.83x = 1,508,768,645.46
  5. Step 5: Solve for x
    x = 1,508,768,645.46/49,012.83
  6. Step 6: Final answer
    x = 30,783.14

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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.