Home / 30,989.30-46,497.11-16,932.91

Finding the Fourth Proportional to 30,989.30, 46,497.11 and 16,932.91

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Solution

The fourth proportional to 30,989.30, 46,497.11 and 16,932.91 is: 25,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.30 : 46,497.11 = 16,932.91 : x
  2. Step 2: Convert to fraction form
    30,989.30/46,497.11 = 16,932.91/x
  3. Step 3: Cross multiply
    30,989.30x = 46,497.11 × 16,932.91
  4. Step 4: Simplify right side
    30,989.30x = 787,331,366.27
  5. Step 5: Solve for x
    x = 787,331,366.27/30,989.30
  6. Step 6: Final answer
    x = 25,406.55

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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.