Home / 39,229.93-54,137.61-21,324.94

Finding the Fourth Proportional to 39,229.93, 54,137.61 and 21,324.94

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Solution

The fourth proportional to 39,229.93, 54,137.61 and 21,324.94 is: 29,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.93 : 54,137.61 = 21,324.94 : x
  2. Step 2: Convert to fraction form
    39,229.93/54,137.61 = 21,324.94/x
  3. Step 3: Cross multiply
    39,229.93x = 54,137.61 × 21,324.94
  4. Step 4: Simplify right side
    39,229.93x = 1,154,481,284.99
  5. Step 5: Solve for x
    x = 1,154,481,284.99/39,229.93
  6. Step 6: Final answer
    x = 29,428.58

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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.