Home / 34,162.03-51,220.97-13,387.63

Finding the Fourth Proportional to 34,162.03, 51,220.97 and 13,387.63

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Solution

The fourth proportional to 34,162.03, 51,220.97 and 13,387.63 is: 20,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162.03 : 51,220.97 = 13,387.63 : x
  2. Step 2: Convert to fraction form
    34,162.03/51,220.97 = 13,387.63/x
  3. Step 3: Cross multiply
    34,162.03x = 51,220.97 × 13,387.63
  4. Step 4: Simplify right side
    34,162.03x = 685,727,327.66
  5. Step 5: Solve for x
    x = 685,727,327.66/34,162.03
  6. Step 6: Final answer
    x = 20,072.79

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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.