Home / 34,278.60-51,398.79-10,579.43

Finding the Fourth Proportional to 34,278.60, 51,398.79 and 10,579.43

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Solution

The fourth proportional to 34,278.60, 51,398.79 and 10,579.43 is: 15,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.60 : 51,398.79 = 10,579.43 : x
  2. Step 2: Convert to fraction form
    34,278.60/51,398.79 = 10,579.43/x
  3. Step 3: Cross multiply
    34,278.60x = 51,398.79 × 10,579.43
  4. Step 4: Simplify right side
    34,278.60x = 543,769,643.90
  5. Step 5: Solve for x
    x = 543,769,643.90/34,278.60
  6. Step 6: Final answer
    x = 15,863.24

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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.