Home / 45,917.38-68,718.79-31,893.22

Finding the Fourth Proportional to 45,917.38, 68,718.79 and 31,893.22

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Solution

The fourth proportional to 45,917.38, 68,718.79 and 31,893.22 is: 47,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.38 : 68,718.79 = 31,893.22 : x
  2. Step 2: Convert to fraction form
    45,917.38/68,718.79 = 31,893.22/x
  3. Step 3: Cross multiply
    45,917.38x = 68,718.79 × 31,893.22
  4. Step 4: Simplify right side
    45,917.38x = 2,191,663,487.60
  5. Step 5: Solve for x
    x = 2,191,663,487.60/45,917.38
  6. Step 6: Final answer
    x = 47,730.59

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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.