Home / 51,791.56-77,687.39-22,190.20

Finding the Fourth Proportional to 51,791.56, 77,687.39 and 22,190.20

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Solution

The fourth proportional to 51,791.56, 77,687.39 and 22,190.20 is: 33,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.56 : 77,687.39 = 22,190.20 : x
  2. Step 2: Convert to fraction form
    51,791.56/77,687.39 = 22,190.20/x
  3. Step 3: Cross multiply
    51,791.56x = 77,687.39 × 22,190.20
  4. Step 4: Simplify right side
    51,791.56x = 1,723,898,721.58
  5. Step 5: Solve for x
    x = 1,723,898,721.58/51,791.56
  6. Step 6: Final answer
    x = 33,285.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.