Home / 24,579.99-36,806.40-20,621.66

Finding the Fourth Proportional to 24,579.99, 36,806.40 and 20,621.66

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Solution

The fourth proportional to 24,579.99, 36,806.40 and 20,621.66 is: 30,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,579.99 : 36,806.40 = 20,621.66 : x
  2. Step 2: Convert to fraction form
    24,579.99/36,806.40 = 20,621.66/x
  3. Step 3: Cross multiply
    24,579.99x = 36,806.40 × 20,621.66
  4. Step 4: Simplify right side
    24,579.99x = 759,008,882.59
  5. Step 5: Solve for x
    x = 759,008,882.59/24,579.99
  6. Step 6: Final answer
    x = 30,879.14

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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.