Home / 51,204.96-76,792.40-17,918.82

Finding the Fourth Proportional to 51,204.96, 76,792.40 and 17,918.82

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Solution

The fourth proportional to 51,204.96, 76,792.40 and 17,918.82 is: 26,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.96 : 76,792.40 = 17,918.82 : x
  2. Step 2: Convert to fraction form
    51,204.96/76,792.40 = 17,918.82/x
  3. Step 3: Cross multiply
    51,204.96x = 76,792.40 × 17,918.82
  4. Step 4: Simplify right side
    51,204.96x = 1,376,029,271.36
  5. Step 5: Solve for x
    x = 1,376,029,271.36/51,204.96
  6. Step 6: Final answer
    x = 26,872.97

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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.