Home / 34,222.72-51,248.40-21,704.80

Finding the Fourth Proportional to 34,222.72, 51,248.40 and 21,704.80

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Solution

The fourth proportional to 34,222.72, 51,248.40 and 21,704.80 is: 32,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.72 : 51,248.40 = 21,704.80 : x
  2. Step 2: Convert to fraction form
    34,222.72/51,248.40 = 21,704.80/x
  3. Step 3: Cross multiply
    34,222.72x = 51,248.40 × 21,704.80
  4. Step 4: Simplify right side
    34,222.72x = 1,112,336,272.32
  5. Step 5: Solve for x
    x = 1,112,336,272.32/34,222.72
  6. Step 6: Final answer
    x = 32,502.86

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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.