Home / 49,619.80-74,429.70-36,400.60

Finding the Fourth Proportional to 49,619.80, 74,429.70 and 36,400.60

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Solution

The fourth proportional to 49,619.80, 74,429.70 and 36,400.60 is: 54,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.80 : 74,429.70 = 36,400.60 : x
  2. Step 2: Convert to fraction form
    49,619.80/74,429.70 = 36,400.60/x
  3. Step 3: Cross multiply
    49,619.80x = 74,429.70 × 36,400.60
  4. Step 4: Simplify right side
    49,619.80x = 2,709,285,737.82
  5. Step 5: Solve for x
    x = 2,709,285,737.82/49,619.80
  6. Step 6: Final answer
    x = 54,600.90

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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.