Home / 50,139.81-69,190.20-27,478.44

Finding the Fourth Proportional to 50,139.81, 69,190.20 and 27,478.44

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Solution

The fourth proportional to 50,139.81, 69,190.20 and 27,478.44 is: 37,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.81 : 69,190.20 = 27,478.44 : x
  2. Step 2: Convert to fraction form
    50,139.81/69,190.20 = 27,478.44/x
  3. Step 3: Cross multiply
    50,139.81x = 69,190.20 × 27,478.44
  4. Step 4: Simplify right side
    50,139.81x = 1,901,238,759.29
  5. Step 5: Solve for x
    x = 1,901,238,759.29/50,139.81
  6. Step 6: Final answer
    x = 37,918.75

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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.