Home / 50,731.92-76,043.24-21,141.84

Finding the Fourth Proportional to 50,731.92, 76,043.24 and 21,141.84

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Solution

The fourth proportional to 50,731.92, 76,043.24 and 21,141.84 is: 31,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.92 : 76,043.24 = 21,141.84 : x
  2. Step 2: Convert to fraction form
    50,731.92/76,043.24 = 21,141.84/x
  3. Step 3: Cross multiply
    50,731.92x = 76,043.24 × 21,141.84
  4. Step 4: Simplify right side
    50,731.92x = 1,607,694,013.16
  5. Step 5: Solve for x
    x = 1,607,694,013.16/50,731.92
  6. Step 6: Final answer
    x = 31,689.99

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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.