Home / 50,868.10-76,338.60-28,657.90

Finding the Fourth Proportional to 50,868.10, 76,338.60 and 28,657.90

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Solution

The fourth proportional to 50,868.10, 76,338.60 and 28,657.90 is: 43,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.10 : 76,338.60 = 28,657.90 : x
  2. Step 2: Convert to fraction form
    50,868.10/76,338.60 = 28,657.90/x
  3. Step 3: Cross multiply
    50,868.10x = 76,338.60 × 28,657.90
  4. Step 4: Simplify right side
    50,868.10x = 2,187,703,964.94
  5. Step 5: Solve for x
    x = 2,187,703,964.94/50,868.10
  6. Step 6: Final answer
    x = 43,007.39

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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.