Home / 47,648.20-71,472.30-43,274.20

Finding the Fourth Proportional to 47,648.20, 71,472.30 and 43,274.20

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Solution

The fourth proportional to 47,648.20, 71,472.30 and 43,274.20 is: 64,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648.20 : 71,472.30 = 43,274.20 : x
  2. Step 2: Convert to fraction form
    47,648.20/71,472.30 = 43,274.20/x
  3. Step 3: Cross multiply
    47,648.20x = 71,472.30 × 43,274.20
  4. Step 4: Simplify right side
    47,648.20x = 3,092,906,604.66
  5. Step 5: Solve for x
    x = 3,092,906,604.66/47,648.20
  6. Step 6: Final answer
    x = 64,911.30

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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.