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Finding the Fourth Proportional to 48,956.63, 73,440.34 and 15,668.87

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Solution

The fourth proportional to 48,956.63, 73,440.34 and 15,668.87 is: 23,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,956.63 : 73,440.34 = 15,668.87 : x
  2. Step 2: Convert to fraction form
    48,956.63/73,440.34 = 15,668.87/x
  3. Step 3: Cross multiply
    48,956.63x = 73,440.34 × 15,668.87
  4. Step 4: Simplify right side
    48,956.63x = 1,150,726,733.84
  5. Step 5: Solve for x
    x = 1,150,726,733.84/48,956.63
  6. Step 6: Final answer
    x = 23,505.03

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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.