Home / 51,906.21-71,630.56-28,032.88

Finding the Fourth Proportional to 51,906.21, 71,630.56 and 28,032.88

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Solution

The fourth proportional to 51,906.21, 71,630.56 and 28,032.88 is: 38,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,906.21 : 71,630.56 = 28,032.88 : x
  2. Step 2: Convert to fraction form
    51,906.21/71,630.56 = 28,032.88/x
  3. Step 3: Cross multiply
    51,906.21x = 71,630.56 × 28,032.88
  4. Step 4: Simplify right side
    51,906.21x = 2,008,010,822.73
  5. Step 5: Solve for x
    x = 2,008,010,822.73/51,906.21
  6. Step 6: Final answer
    x = 38,685.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.