Home / 50,557.31-69,769.09-28,201.31

Finding the Fourth Proportional to 50,557.31, 69,769.09 and 28,201.31

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Solution

The fourth proportional to 50,557.31, 69,769.09 and 28,201.31 is: 38,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,557.31 : 69,769.09 = 28,201.31 : x
  2. Step 2: Convert to fraction form
    50,557.31/69,769.09 = 28,201.31/x
  3. Step 3: Cross multiply
    50,557.31x = 69,769.09 × 28,201.31
  4. Step 4: Simplify right side
    50,557.31x = 1,967,579,945.18
  5. Step 5: Solve for x
    x = 1,967,579,945.18/50,557.31
  6. Step 6: Final answer
    x = 38,917.81

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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.