Home / 39,474.71-54,474.45-21,569.33

Finding the Fourth Proportional to 39,474.71, 54,474.45 and 21,569.33

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Solution

The fourth proportional to 39,474.71, 54,474.45 and 21,569.33 is: 29,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.71 : 54,474.45 = 21,569.33 : x
  2. Step 2: Convert to fraction form
    39,474.71/54,474.45 = 21,569.33/x
  3. Step 3: Cross multiply
    39,474.71x = 54,474.45 × 21,569.33
  4. Step 4: Simplify right side
    39,474.71x = 1,174,977,524.80
  5. Step 5: Solve for x
    x = 1,174,977,524.80/39,474.71
  6. Step 6: Final answer
    x = 29,765.32

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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.