Home / 49,825.22-68,719.93-31,921.91

Finding the Fourth Proportional to 49,825.22, 68,719.93 and 31,921.91

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Solution

The fourth proportional to 49,825.22, 68,719.93 and 31,921.91 is: 44,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,825.22 : 68,719.93 = 31,921.91 : x
  2. Step 2: Convert to fraction form
    49,825.22/68,719.93 = 31,921.91/x
  3. Step 3: Cross multiply
    49,825.22x = 68,719.93 × 31,921.91
  4. Step 4: Simplify right side
    49,825.22x = 2,193,670,997.26
  5. Step 5: Solve for x
    x = 2,193,670,997.26/49,825.22
  6. Step 6: Final answer
    x = 44,027.32

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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.