Home / 57,943.70-86,915.55-31,634.09

Finding the Fourth Proportional to 57,943.70, 86,915.55 and 31,634.09

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Solution

The fourth proportional to 57,943.70, 86,915.55 and 31,634.09 is: 47,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.70 : 86,915.55 = 31,634.09 : x
  2. Step 2: Convert to fraction form
    57,943.70/86,915.55 = 31,634.09/x
  3. Step 3: Cross multiply
    57,943.70x = 86,915.55 × 31,634.09
  4. Step 4: Simplify right side
    57,943.70x = 2,749,493,738.35
  5. Step 5: Solve for x
    x = 2,749,493,738.35/57,943.70
  6. Step 6: Final answer
    x = 47,451.13

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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.