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Finding the Fourth Proportional to 44,540.88, 61,436.88 and 28,645.44

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Solution

The fourth proportional to 44,540.88, 61,436.88 and 28,645.44 is: 39,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,540.88 : 61,436.88 = 28,645.44 : x
  2. Step 2: Convert to fraction form
    44,540.88/61,436.88 = 28,645.44/x
  3. Step 3: Cross multiply
    44,540.88x = 61,436.88 × 28,645.44
  4. Step 4: Simplify right side
    44,540.88x = 1,759,886,459.83
  5. Step 5: Solve for x
    x = 1,759,886,459.83/44,540.88
  6. Step 6: Final answer
    x = 39,511.71

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1.5x scale

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.