Home / 49,999.70-69,016.96-28,787.42

Finding the Fourth Proportional to 49,999.70, 69,016.96 and 28,787.42

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Solution

The fourth proportional to 49,999.70, 69,016.96 and 28,787.42 is: 39,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,999.70 : 69,016.96 = 28,787.42 : x
  2. Step 2: Convert to fraction form
    49,999.70/69,016.96 = 28,787.42/x
  3. Step 3: Cross multiply
    49,999.70x = 69,016.96 × 28,787.42
  4. Step 4: Simplify right side
    49,999.70x = 1,986,820,315.22
  5. Step 5: Solve for x
    x = 1,986,820,315.22/49,999.70
  6. Step 6: Final answer
    x = 39,736.64

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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.