Home / 34,390.32-51,600.06-18,789.72

Finding the Fourth Proportional to 34,390.32, 51,600.06 and 18,789.72

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Solution

The fourth proportional to 34,390.32, 51,600.06 and 18,789.72 is: 28,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.32 : 51,600.06 = 18,789.72 : x
  2. Step 2: Convert to fraction form
    34,390.32/51,600.06 = 18,789.72/x
  3. Step 3: Cross multiply
    34,390.32x = 51,600.06 × 18,789.72
  4. Step 4: Simplify right side
    34,390.32x = 969,550,679.38
  5. Step 5: Solve for x
    x = 969,550,679.38/34,390.32
  6. Step 6: Final answer
    x = 28,192.55

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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.