Home / 48,950.40-73,339.20-40,137.60

Finding the Fourth Proportional to 48,950.40, 73,339.20 and 40,137.60

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Solution

The fourth proportional to 48,950.40, 73,339.20 and 40,137.60 is: 60,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,950.40 : 73,339.20 = 40,137.60 : x
  2. Step 2: Convert to fraction form
    48,950.40/73,339.20 = 40,137.60/x
  3. Step 3: Cross multiply
    48,950.40x = 73,339.20 × 40,137.60
  4. Step 4: Simplify right side
    48,950.40x = 2,943,659,473.92
  5. Step 5: Solve for x
    x = 2,943,659,473.92/48,950.40
  6. Step 6: Final answer
    x = 60,135.56

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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.