Home / 50,115.40-69,166.62-28,890.52

Finding the Fourth Proportional to 50,115.40, 69,166.62 and 28,890.52

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Solution

The fourth proportional to 50,115.40, 69,166.62 and 28,890.52 is: 39,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.40 : 69,166.62 = 28,890.52 : x
  2. Step 2: Convert to fraction form
    50,115.40/69,166.62 = 28,890.52/x
  3. Step 3: Cross multiply
    50,115.40x = 69,166.62 × 28,890.52
  4. Step 4: Simplify right side
    50,115.40x = 1,998,259,618.44
  5. Step 5: Solve for x
    x = 1,998,259,618.44/50,115.40
  6. Step 6: Final answer
    x = 39,873.17

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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.