Home / 48,313.20-72,500.20-20,610.80

Finding the Fourth Proportional to 48,313.20, 72,500.20 and 20,610.80

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Solution

The fourth proportional to 48,313.20, 72,500.20 and 20,610.80 is: 30,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,313.20 : 72,500.20 = 20,610.80 : x
  2. Step 2: Convert to fraction form
    48,313.20/72,500.20 = 20,610.80/x
  3. Step 3: Cross multiply
    48,313.20x = 72,500.20 × 20,610.80
  4. Step 4: Simplify right side
    48,313.20x = 1,494,287,122.16
  5. Step 5: Solve for x
    x = 1,494,287,122.16/48,313.20
  6. Step 6: Final answer
    x = 30,929.17

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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.