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Finding the Fourth Proportional to 35,951.64, 49,613.62 and 19,819.52

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Solution

The fourth proportional to 35,951.64, 49,613.62 and 19,819.52 is: 27,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,951.64 : 49,613.62 = 19,819.52 : x
  2. Step 2: Convert to fraction form
    35,951.64/49,613.62 = 19,819.52/x
  3. Step 3: Cross multiply
    35,951.64x = 49,613.62 × 19,819.52
  4. Step 4: Simplify right side
    35,951.64x = 983,318,133.86
  5. Step 5: Solve for x
    x = 983,318,133.86/35,951.64
  6. Step 6: Final answer
    x = 27,351.13

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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.