Home / 51,282.74-76,879.95-20,110.58

Finding the Fourth Proportional to 51,282.74, 76,879.95 and 20,110.58

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Solution

The fourth proportional to 51,282.74, 76,879.95 and 20,110.58 is: 30,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.74 : 76,879.95 = 20,110.58 : x
  2. Step 2: Convert to fraction form
    51,282.74/76,879.95 = 20,110.58/x
  3. Step 3: Cross multiply
    51,282.74x = 76,879.95 × 20,110.58
  4. Step 4: Simplify right side
    51,282.74x = 1,546,100,384.87
  5. Step 5: Solve for x
    x = 1,546,100,384.87/51,282.74
  6. Step 6: Final answer
    x = 30,148.55

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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.