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Finding the Fourth Proportional to 47,369.12, 71,048.04 and 36,849.68

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Solution

The fourth proportional to 47,369.12, 71,048.04 and 36,849.68 is: 55,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,369.12 : 71,048.04 = 36,849.68 : x
  2. Step 2: Convert to fraction form
    47,369.12/71,048.04 = 36,849.68/x
  3. Step 3: Cross multiply
    47,369.12x = 71,048.04 × 36,849.68
  4. Step 4: Simplify right side
    47,369.12x = 2,618,097,538.63
  5. Step 5: Solve for x
    x = 2,618,097,538.63/47,369.12
  6. Step 6: Final answer
    x = 55,270.13

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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.