Home / 55,919.97-77,168.97-31,725.41

Finding the Fourth Proportional to 55,919.97, 77,168.97 and 31,725.41

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Solution

The fourth proportional to 55,919.97, 77,168.97 and 31,725.41 is: 43,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,919.97 : 77,168.97 = 31,725.41 : x
  2. Step 2: Convert to fraction form
    55,919.97/77,168.97 = 31,725.41/x
  3. Step 3: Cross multiply
    55,919.97x = 77,168.97 × 31,725.41
  4. Step 4: Simplify right side
    55,919.97x = 2,448,216,826.68
  5. Step 5: Solve for x
    x = 2,448,216,826.68/55,919.97
  6. Step 6: Final answer
    x = 43,780.72

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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.