Home / 29,288.49-43,942.92-21,290.76

Finding the Fourth Proportional to 29,288.49, 43,942.92 and 21,290.76

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Solution

The fourth proportional to 29,288.49, 43,942.92 and 21,290.76 is: 31,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.49 : 43,942.92 = 21,290.76 : x
  2. Step 2: Convert to fraction form
    29,288.49/43,942.92 = 21,290.76/x
  3. Step 3: Cross multiply
    29,288.49x = 43,942.92 × 21,290.76
  4. Step 4: Simplify right side
    29,288.49x = 935,578,163.42
  5. Step 5: Solve for x
    x = 935,578,163.42/29,288.49
  6. Step 6: Final answer
    x = 31,943.54

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1.5x scale

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.