Home / 47,165.48-70,747.20-13,884.72

Finding the Fourth Proportional to 47,165.48, 70,747.20 and 13,884.72

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Solution

The fourth proportional to 47,165.48, 70,747.20 and 13,884.72 is: 20,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165.48 : 70,747.20 = 13,884.72 : x
  2. Step 2: Convert to fraction form
    47,165.48/70,747.20 = 13,884.72/x
  3. Step 3: Cross multiply
    47,165.48x = 70,747.20 × 13,884.72
  4. Step 4: Simplify right side
    47,165.48x = 982,305,062.78
  5. Step 5: Solve for x
    x = 982,305,062.78/47,165.48
  6. Step 6: Final answer
    x = 20,826.78

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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.