Home / 29,215.42-43,808.13-13,406.85

Finding the Fourth Proportional to 29,215.42, 43,808.13 and 13,406.85

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Solution

The fourth proportional to 29,215.42, 43,808.13 and 13,406.85 is: 20,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.42 : 43,808.13 = 13,406.85 : x
  2. Step 2: Convert to fraction form
    29,215.42/43,808.13 = 13,406.85/x
  3. Step 3: Cross multiply
    29,215.42x = 43,808.13 × 13,406.85
  4. Step 4: Simplify right side
    29,215.42x = 587,329,027.69
  5. Step 5: Solve for x
    x = 587,329,027.69/29,215.42
  6. Step 6: Final answer
    x = 20,103.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.