Home / 47,976.40-71,871.06-29,209.90

Finding the Fourth Proportional to 47,976.40, 71,871.06 and 29,209.90

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Solution

The fourth proportional to 47,976.40, 71,871.06 and 29,209.90 is: 43,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,976.40 : 71,871.06 = 29,209.90 : x
  2. Step 2: Convert to fraction form
    47,976.40/71,871.06 = 29,209.90/x
  3. Step 3: Cross multiply
    47,976.40x = 71,871.06 × 29,209.90
  4. Step 4: Simplify right side
    47,976.40x = 2,099,346,475.49
  5. Step 5: Solve for x
    x = 2,099,346,475.49/47,976.40
  6. Step 6: Final answer
    x = 43,757.90

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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.