Home / 51,223.48-76,832.44-19,648.68

Finding the Fourth Proportional to 51,223.48, 76,832.44 and 19,648.68

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Solution

The fourth proportional to 51,223.48, 76,832.44 and 19,648.68 is: 29,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,223.48 : 76,832.44 = 19,648.68 : x
  2. Step 2: Convert to fraction form
    51,223.48/76,832.44 = 19,648.68/x
  3. Step 3: Cross multiply
    51,223.48x = 76,832.44 × 19,648.68
  4. Step 4: Simplify right side
    51,223.48x = 1,509,656,027.18
  5. Step 5: Solve for x
    x = 1,509,656,027.18/51,223.48
  6. Step 6: Final answer
    x = 29,471.95

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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.