Home / 37,036.74-51,110.49-21,120.84

Finding the Fourth Proportional to 37,036.74, 51,110.49 and 21,120.84

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Solution

The fourth proportional to 37,036.74, 51,110.49 and 21,120.84 is: 29,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,036.74 : 51,110.49 = 21,120.84 : x
  2. Step 2: Convert to fraction form
    37,036.74/51,110.49 = 21,120.84/x
  3. Step 3: Cross multiply
    37,036.74x = 51,110.49 × 21,120.84
  4. Step 4: Simplify right side
    37,036.74x = 1,079,496,481.61
  5. Step 5: Solve for x
    x = 1,079,496,481.61/37,036.74
  6. Step 6: Final answer
    x = 29,146.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.