Home / 47,911.52-71,867.20-14,631.72

Finding the Fourth Proportional to 47,911.52, 71,867.20 and 14,631.72

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Solution

The fourth proportional to 47,911.52, 71,867.20 and 14,631.72 is: 21,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.52 : 71,867.20 = 14,631.72 : x
  2. Step 2: Convert to fraction form
    47,911.52/71,867.20 = 14,631.72/x
  3. Step 3: Cross multiply
    47,911.52x = 71,867.20 × 14,631.72
  4. Step 4: Simplify right side
    47,911.52x = 1,051,540,747.58
  5. Step 5: Solve for x
    x = 1,051,540,747.58/47,911.52
  6. Step 6: Final answer
    x = 21,947.56

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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.