Home / 51,109.94-70,531.71-28,448.44

Finding the Fourth Proportional to 51,109.94, 70,531.71 and 28,448.44

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Solution

The fourth proportional to 51,109.94, 70,531.71 and 28,448.44 is: 39,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109.94 : 70,531.71 = 28,448.44 : x
  2. Step 2: Convert to fraction form
    51,109.94/70,531.71 = 28,448.44/x
  3. Step 3: Cross multiply
    51,109.94x = 70,531.71 × 28,448.44
  4. Step 4: Simplify right side
    51,109.94x = 2,006,517,393.78
  5. Step 5: Solve for x
    x = 2,006,517,393.78/51,109.94
  6. Step 6: Final answer
    x = 39,258.85

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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.