Home / 48,910.68-73,347.30-20,813.16

Finding the Fourth Proportional to 48,910.68, 73,347.30 and 20,813.16

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Solution

The fourth proportional to 48,910.68, 73,347.30 and 20,813.16 is: 31,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,910.68 : 73,347.30 = 20,813.16 : x
  2. Step 2: Convert to fraction form
    48,910.68/73,347.30 = 20,813.16/x
  3. Step 3: Cross multiply
    48,910.68x = 73,347.30 × 20,813.16
  4. Step 4: Simplify right side
    48,910.68x = 1,526,589,090.47
  5. Step 5: Solve for x
    x = 1,526,589,090.47/48,910.68
  6. Step 6: Final answer
    x = 31,211.77

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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.