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Finding the Fourth Proportional to 44,730.98, 61,734.59 and 28,861.59

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Solution

The fourth proportional to 44,730.98, 61,734.59 and 28,861.59 is: 39,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,730.98 : 61,734.59 = 28,861.59 : x
  2. Step 2: Convert to fraction form
    44,730.98/61,734.59 = 28,861.59/x
  3. Step 3: Cross multiply
    44,730.98x = 61,734.59 × 28,861.59
  4. Step 4: Simplify right side
    44,730.98x = 1,781,758,281.09
  5. Step 5: Solve for x
    x = 1,781,758,281.09/44,730.98
  6. Step 6: Final answer
    x = 39,832.76

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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.