Home / 33,999.76-51,029.61-18,217.72

Finding the Fourth Proportional to 33,999.76, 51,029.61 and 18,217.72

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Solution

The fourth proportional to 33,999.76, 51,029.61 and 18,217.72 is: 27,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.76 : 51,029.61 = 18,217.72 : x
  2. Step 2: Convert to fraction form
    33,999.76/51,029.61 = 18,217.72/x
  3. Step 3: Cross multiply
    33,999.76x = 51,029.61 × 18,217.72
  4. Step 4: Simplify right side
    33,999.76x = 929,643,146.69
  5. Step 5: Solve for x
    x = 929,643,146.69/33,999.76
  6. Step 6: Final answer
    x = 27,342.64

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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.