Home / 50,699.90-69,965.46-28,039.85

Finding the Fourth Proportional to 50,699.90, 69,965.46 and 28,039.85

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Solution

The fourth proportional to 50,699.90, 69,965.46 and 28,039.85 is: 38,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.90 : 69,965.46 = 28,039.85 : x
  2. Step 2: Convert to fraction form
    50,699.90/69,965.46 = 28,039.85/x
  3. Step 3: Cross multiply
    50,699.90x = 69,965.46 × 28,039.85
  4. Step 4: Simplify right side
    50,699.90x = 1,961,821,003.58
  5. Step 5: Solve for x
    x = 1,961,821,003.58/50,699.90
  6. Step 6: Final answer
    x = 38,694.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.