Home / 31,694.96-47,542.38-12,983.72

Finding the Fourth Proportional to 31,694.96, 47,542.38 and 12,983.72

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Solution

The fourth proportional to 31,694.96, 47,542.38 and 12,983.72 is: 19,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.96 : 47,542.38 = 12,983.72 : x
  2. Step 2: Convert to fraction form
    31,694.96/47,542.38 = 12,983.72/x
  3. Step 3: Cross multiply
    31,694.96x = 47,542.38 × 12,983.72
  4. Step 4: Simplify right side
    31,694.96x = 617,276,950.05
  5. Step 5: Solve for x
    x = 617,276,950.05/31,694.96
  6. Step 6: Final answer
    x = 19,475.56

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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.