Home / 50,639.70-69,883.52-27,979.21

Finding the Fourth Proportional to 50,639.70, 69,883.52 and 27,979.21

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Solution

The fourth proportional to 50,639.70, 69,883.52 and 27,979.21 is: 38,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.70 : 69,883.52 = 27,979.21 : x
  2. Step 2: Convert to fraction form
    50,639.70/69,883.52 = 27,979.21/x
  3. Step 3: Cross multiply
    50,639.70x = 69,883.52 × 27,979.21
  4. Step 4: Simplify right side
    50,639.70x = 1,955,285,629.08
  5. Step 5: Solve for x
    x = 1,955,285,629.08/50,639.70
  6. Step 6: Final answer
    x = 38,611.72

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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.