Home / 49,103.25-67,759.29-28,955.51

Finding the Fourth Proportional to 49,103.25, 67,759.29 and 28,955.51

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Solution

The fourth proportional to 49,103.25, 67,759.29 and 28,955.51 is: 39,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,103.25 : 67,759.29 = 28,955.51 : x
  2. Step 2: Convert to fraction form
    49,103.25/67,759.29 = 28,955.51/x
  3. Step 3: Cross multiply
    49,103.25x = 67,759.29 × 28,955.51
  4. Step 4: Simplify right side
    49,103.25x = 1,962,005,077.17
  5. Step 5: Solve for x
    x = 1,962,005,077.17/49,103.25
  6. Step 6: Final answer
    x = 39,956.73

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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.