Home / 50,047.20-69,090.14-28,822.38

Finding the Fourth Proportional to 50,047.20, 69,090.14 and 28,822.38

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Solution

The fourth proportional to 50,047.20, 69,090.14 and 28,822.38 is: 39,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,047.20 : 69,090.14 = 28,822.38 : x
  2. Step 2: Convert to fraction form
    50,047.20/69,090.14 = 28,822.38/x
  3. Step 3: Cross multiply
    50,047.20x = 69,090.14 × 28,822.38
  4. Step 4: Simplify right side
    50,047.20x = 1,991,342,269.33
  5. Step 5: Solve for x
    x = 1,991,342,269.33/50,047.20
  6. Step 6: Final answer
    x = 39,789.28

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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.