Home / 39,493.10-54,500.49-21,588.19

Finding the Fourth Proportional to 39,493.10, 54,500.49 and 21,588.19

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Solution

The fourth proportional to 39,493.10, 54,500.49 and 21,588.19 is: 29,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.10 : 54,500.49 = 21,588.19 : x
  2. Step 2: Convert to fraction form
    39,493.10/54,500.49 = 21,588.19/x
  3. Step 3: Cross multiply
    39,493.10x = 54,500.49 × 21,588.19
  4. Step 4: Simplify right side
    39,493.10x = 1,176,566,933.21
  5. Step 5: Solve for x
    x = 1,176,566,933.21/39,493.10
  6. Step 6: Final answer
    x = 29,791.71

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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.