Home / 48,380.82-72,575.81-18,800.94

Finding the Fourth Proportional to 48,380.82, 72,575.81 and 18,800.94

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Solution

The fourth proportional to 48,380.82, 72,575.81 and 18,800.94 is: 28,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.82 : 72,575.81 = 18,800.94 : x
  2. Step 2: Convert to fraction form
    48,380.82/72,575.81 = 18,800.94/x
  3. Step 3: Cross multiply
    48,380.82x = 72,575.81 × 18,800.94
  4. Step 4: Simplify right side
    48,380.82x = 1,364,493,355.26
  5. Step 5: Solve for x
    x = 1,364,493,355.26/48,380.82
  6. Step 6: Final answer
    x = 28,203.19

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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.