Home / 47,004.80-70,531.44-31,220.73

Finding the Fourth Proportional to 47,004.80, 70,531.44 and 31,220.73

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Solution

The fourth proportional to 47,004.80, 70,531.44 and 31,220.73 is: 46,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,004.80 : 70,531.44 = 31,220.73 : x
  2. Step 2: Convert to fraction form
    47,004.80/70,531.44 = 31,220.73/x
  3. Step 3: Cross multiply
    47,004.80x = 70,531.44 × 31,220.73
  4. Step 4: Simplify right side
    47,004.80x = 2,202,043,044.75
  5. Step 5: Solve for x
    x = 2,202,043,044.75/47,004.80
  6. Step 6: Final answer
    x = 46,847.20

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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.