Home / 30,167.30-45,257.46-9,105.59

Finding the Fourth Proportional to 30,167.30, 45,257.46 and 9,105.59

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Solution

The fourth proportional to 30,167.30, 45,257.46 and 9,105.59 is: 13,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.30 : 45,257.46 = 9,105.59 : x
  2. Step 2: Convert to fraction form
    30,167.30/45,257.46 = 9,105.59/x
  3. Step 3: Cross multiply
    30,167.30x = 45,257.46 × 9,105.59
  4. Step 4: Simplify right side
    30,167.30x = 412,095,648.91
  5. Step 5: Solve for x
    x = 412,095,648.91/30,167.30
  6. Step 6: Final answer
    x = 13,660.34

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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.