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Finding the Fourth Proportional to 48,668.42, 72,984.80 and 23,700.98

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Solution

The fourth proportional to 48,668.42, 72,984.80 and 23,700.98 is: 35,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.42 : 72,984.80 = 23,700.98 : x
  2. Step 2: Convert to fraction form
    48,668.42/72,984.80 = 23,700.98/x
  3. Step 3: Cross multiply
    48,668.42x = 72,984.80 × 23,700.98
  4. Step 4: Simplify right side
    48,668.42x = 1,729,811,285.10
  5. Step 5: Solve for x
    x = 1,729,811,285.10/48,668.42
  6. Step 6: Final answer
    x = 35,542.79

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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.