Home / 39,354.39-59,039.82-21,787.38

Finding the Fourth Proportional to 39,354.39, 59,039.82 and 21,787.38

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Solution

The fourth proportional to 39,354.39, 59,039.82 and 21,787.38 is: 32,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.39 : 59,039.82 = 21,787.38 : x
  2. Step 2: Convert to fraction form
    39,354.39/59,039.82 = 21,787.38/x
  3. Step 3: Cross multiply
    39,354.39x = 59,039.82 × 21,787.38
  4. Step 4: Simplify right side
    39,354.39x = 1,286,322,993.47
  5. Step 5: Solve for x
    x = 1,286,322,993.47/39,354.39
  6. Step 6: Final answer
    x = 32,685.63

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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.