Home / 51,222.30-76,843.71-21,640.02

Finding the Fourth Proportional to 51,222.30, 76,843.71 and 21,640.02

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Solution

The fourth proportional to 51,222.30, 76,843.71 and 21,640.02 is: 32,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.30 : 76,843.71 = 21,640.02 : x
  2. Step 2: Convert to fraction form
    51,222.30/76,843.71 = 21,640.02/x
  3. Step 3: Cross multiply
    51,222.30x = 76,843.71 × 21,640.02
  4. Step 4: Simplify right side
    51,222.30x = 1,662,899,421.27
  5. Step 5: Solve for x
    x = 1,662,899,421.27/51,222.30
  6. Step 6: Final answer
    x = 32,464.36

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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.