Home / 39,915.80-55,087.49-22,922.27

Finding the Fourth Proportional to 39,915.80, 55,087.49 and 22,922.27

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Solution

The fourth proportional to 39,915.80, 55,087.49 and 22,922.27 is: 31,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.80 : 55,087.49 = 22,922.27 : x
  2. Step 2: Convert to fraction form
    39,915.80/55,087.49 = 22,922.27/x
  3. Step 3: Cross multiply
    39,915.80x = 55,087.49 × 22,922.27
  4. Step 4: Simplify right side
    39,915.80x = 1,262,730,319.40
  5. Step 5: Solve for x
    x = 1,262,730,319.40/39,915.80
  6. Step 6: Final answer
    x = 31,634.85

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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.