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Finding the Fourth Proportional to 61,861.38, 92,798.04 and 17,489.58

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Solution

The fourth proportional to 61,861.38, 92,798.04 and 17,489.58 is: 26,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.38 : 92,798.04 = 17,489.58 : x
  2. Step 2: Convert to fraction form
    61,861.38/92,798.04 = 17,489.58/x
  3. Step 3: Cross multiply
    61,861.38x = 92,798.04 × 17,489.58
  4. Step 4: Simplify right side
    61,861.38x = 1,622,998,744.42
  5. Step 5: Solve for x
    x = 1,622,998,744.42/61,861.38
  6. Step 6: Final answer
    x = 26,236.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.