Home / 31,446.70-47,160.45-8,959.22

Finding the Fourth Proportional to 31,446.70, 47,160.45 and 8,959.22

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Solution

The fourth proportional to 31,446.70, 47,160.45 and 8,959.22 is: 13,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.70 : 47,160.45 = 8,959.22 : x
  2. Step 2: Convert to fraction form
    31,446.70/47,160.45 = 8,959.22/x
  3. Step 3: Cross multiply
    31,446.70x = 47,160.45 × 8,959.22
  4. Step 4: Simplify right side
    31,446.70x = 422,520,786.24
  5. Step 5: Solve for x
    x = 422,520,786.24/31,446.70
  6. Step 6: Final answer
    x = 13,436.09

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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.