Home / 34,378.43-51,581.91-31,619.77

Finding the Fourth Proportional to 34,378.43, 51,581.91 and 31,619.77

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Solution

The fourth proportional to 34,378.43, 51,581.91 and 31,619.77 is: 47,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.43 : 51,581.91 = 31,619.77 : x
  2. Step 2: Convert to fraction form
    34,378.43/51,581.91 = 31,619.77/x
  3. Step 3: Cross multiply
    34,378.43x = 51,581.91 × 31,619.77
  4. Step 4: Simplify right side
    34,378.43x = 1,631,008,119.98
  5. Step 5: Solve for x
    x = 1,631,008,119.98/34,378.43
  6. Step 6: Final answer
    x = 47,442.78

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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.