Home / 47,667.52-71,180.20-38,919.52

Finding the Fourth Proportional to 47,667.52, 71,180.20 and 38,919.52

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Solution

The fourth proportional to 47,667.52, 71,180.20 and 38,919.52 is: 58,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,667.52 : 71,180.20 = 38,919.52 : x
  2. Step 2: Convert to fraction form
    47,667.52/71,180.20 = 38,919.52/x
  3. Step 3: Cross multiply
    47,667.52x = 71,180.20 × 38,919.52
  4. Step 4: Simplify right side
    47,667.52x = 2,770,299,217.50
  5. Step 5: Solve for x
    x = 2,770,299,217.50/47,667.52
  6. Step 6: Final answer
    x = 58,117.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.