Home / 39,522.96-54,542.49-21,619.14

Finding the Fourth Proportional to 39,522.96, 54,542.49 and 21,619.14

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Solution

The fourth proportional to 39,522.96, 54,542.49 and 21,619.14 is: 29,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.96 : 54,542.49 = 21,619.14 : x
  2. Step 2: Convert to fraction form
    39,522.96/54,542.49 = 21,619.14/x
  3. Step 3: Cross multiply
    39,522.96x = 54,542.49 × 21,619.14
  4. Step 4: Simplify right side
    39,522.96x = 1,179,161,727.26
  5. Step 5: Solve for x
    x = 1,179,161,727.26/39,522.96
  6. Step 6: Final answer
    x = 29,834.85

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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.