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Finding the Fourth Proportional to 47,313.81, 71,019.92 and 34,847.91

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Solution

The fourth proportional to 47,313.81, 71,019.92 and 34,847.91 is: 52,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,313.81 : 71,019.92 = 34,847.91 : x
  2. Step 2: Convert to fraction form
    47,313.81/71,019.92 = 34,847.91/x
  3. Step 3: Cross multiply
    47,313.81x = 71,019.92 × 34,847.91
  4. Step 4: Simplify right side
    47,313.81x = 2,474,895,867.49
  5. Step 5: Solve for x
    x = 2,474,895,867.49/47,313.81
  6. Step 6: Final answer
    x = 52,308.11

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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.