Home / 34,144.80-51,213.36-13,362.72

Finding the Fourth Proportional to 34,144.80, 51,213.36 and 13,362.72

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Solution

The fourth proportional to 34,144.80, 51,213.36 and 13,362.72 is: 20,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,144.80 : 51,213.36 = 13,362.72 : x
  2. Step 2: Convert to fraction form
    34,144.80/51,213.36 = 13,362.72/x
  3. Step 3: Cross multiply
    34,144.80x = 51,213.36 × 13,362.72
  4. Step 4: Simplify right side
    34,144.80x = 684,349,789.94
  5. Step 5: Solve for x
    x = 684,349,789.94/34,144.80
  6. Step 6: Final answer
    x = 20,042.58

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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.