Home / 50,112.60-69,154.38-28,891.32

Finding the Fourth Proportional to 50,112.60, 69,154.38 and 28,891.32

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Solution

The fourth proportional to 50,112.60, 69,154.38 and 28,891.32 is: 39,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,112.60 : 69,154.38 = 28,891.32 : x
  2. Step 2: Convert to fraction form
    50,112.60/69,154.38 = 28,891.32/x
  3. Step 3: Cross multiply
    50,112.60x = 69,154.38 × 28,891.32
  4. Step 4: Simplify right side
    50,112.60x = 1,997,961,321.98
  5. Step 5: Solve for x
    x = 1,997,961,321.98/50,112.60
  6. Step 6: Final answer
    x = 39,869.44

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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.