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Finding the Fourth Proportional to 29,664.77, 44,472.76 and 13,861.98

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Solution

The fourth proportional to 29,664.77, 44,472.76 and 13,861.98 is: 20,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,664.77 : 44,472.76 = 13,861.98 : x
  2. Step 2: Convert to fraction form
    29,664.77/44,472.76 = 13,861.98/x
  3. Step 3: Cross multiply
    29,664.77x = 44,472.76 × 13,861.98
  4. Step 4: Simplify right side
    29,664.77x = 616,480,440.35
  5. Step 5: Solve for x
    x = 616,480,440.35/29,664.77
  6. Step 6: Final answer
    x = 20,781.57

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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.