Home / 39,974.04-59,943.65-21,249.59

Finding the Fourth Proportional to 39,974.04, 59,943.65 and 21,249.59

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Solution

The fourth proportional to 39,974.04, 59,943.65 and 21,249.59 is: 31,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.04 : 59,943.65 = 21,249.59 : x
  2. Step 2: Convert to fraction form
    39,974.04/59,943.65 = 21,249.59/x
  3. Step 3: Cross multiply
    39,974.04x = 59,943.65 × 21,249.59
  4. Step 4: Simplify right side
    39,974.04x = 1,273,777,579.64
  5. Step 5: Solve for x
    x = 1,273,777,579.64/39,974.04
  6. Step 6: Final answer
    x = 31,865.12

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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.