Home / 51,205.59-76,792.79-17,919.45

Finding the Fourth Proportional to 51,205.59, 76,792.79 and 17,919.45

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Solution

The fourth proportional to 51,205.59, 76,792.79 and 17,919.45 is: 26,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.59 : 76,792.79 = 17,919.45 : x
  2. Step 2: Convert to fraction form
    51,205.59/76,792.79 = 17,919.45/x
  3. Step 3: Cross multiply
    51,205.59x = 76,792.79 × 17,919.45
  4. Step 4: Simplify right side
    51,205.59x = 1,376,084,605.56
  5. Step 5: Solve for x
    x = 1,376,084,605.56/51,205.59
  6. Step 6: Final answer
    x = 26,873.72

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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.