Home / 39,537.92-54,563.96-21,634.49

Finding the Fourth Proportional to 39,537.92, 54,563.96 and 21,634.49

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Solution

The fourth proportional to 39,537.92, 54,563.96 and 21,634.49 is: 29,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.92 : 54,563.96 = 21,634.49 : x
  2. Step 2: Convert to fraction form
    39,537.92/54,563.96 = 21,634.49/x
  3. Step 3: Cross multiply
    39,537.92x = 54,563.96 × 21,634.49
  4. Step 4: Simplify right side
    39,537.92x = 1,180,463,446.98
  5. Step 5: Solve for x
    x = 1,180,463,446.98/39,537.92
  6. Step 6: Final answer
    x = 29,856.49

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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.