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Finding the Fourth Proportional to 61,874.55, 92,812.10 and 26,330.81

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Solution

The fourth proportional to 61,874.55, 92,812.10 and 26,330.81 is: 39,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,874.55 : 92,812.10 = 26,330.81 : x
  2. Step 2: Convert to fraction form
    61,874.55/92,812.10 = 26,330.81/x
  3. Step 3: Cross multiply
    61,874.55x = 92,812.10 × 26,330.81
  4. Step 4: Simplify right side
    61,874.55x = 2,443,817,175.09
  5. Step 5: Solve for x
    x = 2,443,817,175.09/61,874.55
  6. Step 6: Final answer
    x = 39,496.32

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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.