Home / 39,131.28-58,651.92-16,922.34

Finding the Fourth Proportional to 39,131.28, 58,651.92 and 16,922.34

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Solution

The fourth proportional to 39,131.28, 58,651.92 and 16,922.34 is: 25,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.28 : 58,651.92 = 16,922.34 : x
  2. Step 2: Convert to fraction form
    39,131.28/58,651.92 = 16,922.34/x
  3. Step 3: Cross multiply
    39,131.28x = 58,651.92 × 16,922.34
  4. Step 4: Simplify right side
    39,131.28x = 992,527,731.89
  5. Step 5: Solve for x
    x = 992,527,731.89/39,131.28
  6. Step 6: Final answer
    x = 25,364.05

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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.