Home / 47,911.20-71,861.32-12,848.13

Finding the Fourth Proportional to 47,911.20, 71,861.32 and 12,848.13

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Solution

The fourth proportional to 47,911.20, 71,861.32 and 12,848.13 is: 19,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.20 : 71,861.32 = 12,848.13 : x
  2. Step 2: Convert to fraction form
    47,911.20/71,861.32 = 12,848.13/x
  3. Step 3: Cross multiply
    47,911.20x = 71,861.32 × 12,848.13
  4. Step 4: Simplify right side
    47,911.20x = 923,283,581.33
  5. Step 5: Solve for x
    x = 923,283,581.33/47,911.20
  6. Step 6: Final answer
    x = 19,270.73

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1.5x scale

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.