Home / 31,813.11-43,901.87-17,665.92

Finding the Fourth Proportional to 31,813.11, 43,901.87 and 17,665.92

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Solution

The fourth proportional to 31,813.11, 43,901.87 and 17,665.92 is: 24,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.11 : 43,901.87 = 17,665.92 : x
  2. Step 2: Convert to fraction form
    31,813.11/43,901.87 = 17,665.92/x
  3. Step 3: Cross multiply
    31,813.11x = 43,901.87 × 17,665.92
  4. Step 4: Simplify right side
    31,813.11x = 775,566,834.94
  5. Step 5: Solve for x
    x = 775,566,834.94/31,813.11
  6. Step 6: Final answer
    x = 24,378.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.