Home / 50,020.30-69,033.97-28,803.70

Finding the Fourth Proportional to 50,020.30, 69,033.97 and 28,803.70

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Solution

The fourth proportional to 50,020.30, 69,033.97 and 28,803.70 is: 39,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,020.30 : 69,033.97 = 28,803.70 : x
  2. Step 2: Convert to fraction form
    50,020.30/69,033.97 = 28,803.70/x
  3. Step 3: Cross multiply
    50,020.30x = 69,033.97 × 28,803.70
  4. Step 4: Simplify right side
    50,020.30x = 1,988,433,761.69
  5. Step 5: Solve for x
    x = 1,988,433,761.69/50,020.30
  6. Step 6: Final answer
    x = 39,752.54

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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.