Home / 57,943.95-86,915.92-31,634.34

Finding the Fourth Proportional to 57,943.95, 86,915.92 and 31,634.34

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Solution

The fourth proportional to 57,943.95, 86,915.92 and 31,634.34 is: 47,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.95 : 86,915.92 = 31,634.34 : x
  2. Step 2: Convert to fraction form
    57,943.95/86,915.92 = 31,634.34/x
  3. Step 3: Cross multiply
    57,943.95x = 86,915.92 × 31,634.34
  4. Step 4: Simplify right side
    57,943.95x = 2,749,527,764.69
  5. Step 5: Solve for x
    x = 2,749,527,764.69/57,943.95
  6. Step 6: Final answer
    x = 47,451.51

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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.