Home / 20,673.02-31,008.44-5,879.99

Finding the Fourth Proportional to 20,673.02, 31,008.44 and 5,879.99

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Solution

The fourth proportional to 20,673.02, 31,008.44 and 5,879.99 is: 8,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.02 : 31,008.44 = 5,879.99 : x
  2. Step 2: Convert to fraction form
    20,673.02/31,008.44 = 5,879.99/x
  3. Step 3: Cross multiply
    20,673.02x = 31,008.44 × 5,879.99
  4. Step 4: Simplify right side
    20,673.02x = 182,329,132.67
  5. Step 5: Solve for x
    x = 182,329,132.67/20,673.02
  6. Step 6: Final answer
    x = 8,819.67

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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.