Home / 39,493.46-54,502.44-21,589.68

Finding the Fourth Proportional to 39,493.46, 54,502.44 and 21,589.68

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Solution

The fourth proportional to 39,493.46, 54,502.44 and 21,589.68 is: 29,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.46 : 54,502.44 = 21,589.68 : x
  2. Step 2: Convert to fraction form
    39,493.46/54,502.44 = 21,589.68/x
  3. Step 3: Cross multiply
    39,493.46x = 54,502.44 × 21,589.68
  4. Step 4: Simplify right side
    39,493.46x = 1,176,690,238.82
  5. Step 5: Solve for x
    x = 1,176,690,238.82/39,493.46
  6. Step 6: Final answer
    x = 29,794.56

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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.