Home / 39,902.31-55,064.75-22,906.96

Finding the Fourth Proportional to 39,902.31, 55,064.75 and 22,906.96

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Solution

The fourth proportional to 39,902.31, 55,064.75 and 22,906.96 is: 31,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,902.31 : 55,064.75 = 22,906.96 : x
  2. Step 2: Convert to fraction form
    39,902.31/55,064.75 = 22,906.96/x
  3. Step 3: Cross multiply
    39,902.31x = 55,064.75 × 22,906.96
  4. Step 4: Simplify right side
    39,902.31x = 1,261,365,773.46
  5. Step 5: Solve for x
    x = 1,261,365,773.46/39,902.31
  6. Step 6: Final answer
    x = 31,611.35

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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.