Home / 51,207.29-76,758.15-19,608.72

Finding the Fourth Proportional to 51,207.29, 76,758.15 and 19,608.72

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Solution

The fourth proportional to 51,207.29, 76,758.15 and 19,608.72 is: 29,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.29 : 76,758.15 = 19,608.72 : x
  2. Step 2: Convert to fraction form
    51,207.29/76,758.15 = 19,608.72/x
  3. Step 3: Cross multiply
    51,207.29x = 76,758.15 × 19,608.72
  4. Step 4: Simplify right side
    51,207.29x = 1,505,128,687.28
  5. Step 5: Solve for x
    x = 1,505,128,687.28/51,207.29
  6. Step 6: Final answer
    x = 29,392.86

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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.