Home / 51,233.25-70,702.43-28,877.25

Finding the Fourth Proportional to 51,233.25, 70,702.43 and 28,877.25

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Solution

The fourth proportional to 51,233.25, 70,702.43 and 28,877.25 is: 39,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,233.25 : 70,702.43 = 28,877.25 : x
  2. Step 2: Convert to fraction form
    51,233.25/70,702.43 = 28,877.25/x
  3. Step 3: Cross multiply
    51,233.25x = 70,702.43 × 28,877.25
  4. Step 4: Simplify right side
    51,233.25x = 2,041,691,602.33
  5. Step 5: Solve for x
    x = 2,041,691,602.33/51,233.25
  6. Step 6: Final answer
    x = 39,850.91

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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.