Home / 48,350.21-72,475.42-20,286.56

Finding the Fourth Proportional to 48,350.21, 72,475.42 and 20,286.56

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Solution

The fourth proportional to 48,350.21, 72,475.42 and 20,286.56 is: 30,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,350.21 : 72,475.42 = 20,286.56 : x
  2. Step 2: Convert to fraction form
    48,350.21/72,475.42 = 20,286.56/x
  3. Step 3: Cross multiply
    48,350.21x = 72,475.42 × 20,286.56
  4. Step 4: Simplify right side
    48,350.21x = 1,470,276,543.26
  5. Step 5: Solve for x
    x = 1,470,276,543.26/48,350.21
  6. Step 6: Final answer
    x = 30,408.90

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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.