Home / 34,579.81-51,838.94-13,515.06

Finding the Fourth Proportional to 34,579.81, 51,838.94 and 13,515.06

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Solution

The fourth proportional to 34,579.81, 51,838.94 and 13,515.06 is: 20,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,579.81 : 51,838.94 = 13,515.06 : x
  2. Step 2: Convert to fraction form
    34,579.81/51,838.94 = 13,515.06/x
  3. Step 3: Cross multiply
    34,579.81x = 51,838.94 × 13,515.06
  4. Step 4: Simplify right side
    34,579.81x = 700,606,384.44
  5. Step 5: Solve for x
    x = 700,606,384.44/34,579.81
  6. Step 6: Final answer
    x = 20,260.56

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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.