Home / 31,932.21-47,923.83-14,403.41

Finding the Fourth Proportional to 31,932.21, 47,923.83 and 14,403.41

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Solution

The fourth proportional to 31,932.21, 47,923.83 and 14,403.41 is: 21,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.21 : 47,923.83 = 14,403.41 : x
  2. Step 2: Convert to fraction form
    31,932.21/47,923.83 = 14,403.41/x
  3. Step 3: Cross multiply
    31,932.21x = 47,923.83 × 14,403.41
  4. Step 4: Simplify right side
    31,932.21x = 690,266,332.64
  5. Step 5: Solve for x
    x = 690,266,332.64/31,932.21
  6. Step 6: Final answer
    x = 21,616.62

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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.