Home / 50,394.09-69,542.78-27,731.91

Finding the Fourth Proportional to 50,394.09, 69,542.78 and 27,731.91

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Solution

The fourth proportional to 50,394.09, 69,542.78 and 27,731.91 is: 38,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,394.09 : 69,542.78 = 27,731.91 : x
  2. Step 2: Convert to fraction form
    50,394.09/69,542.78 = 27,731.91/x
  3. Step 3: Cross multiply
    50,394.09x = 69,542.78 × 27,731.91
  4. Step 4: Simplify right side
    50,394.09x = 1,928,553,977.45
  5. Step 5: Solve for x
    x = 1,928,553,977.45/50,394.09
  6. Step 6: Final answer
    x = 38,269.45

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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.