Home / 31,782.20-47,684.23-14,264.33

Finding the Fourth Proportional to 31,782.20, 47,684.23 and 14,264.33

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Solution

The fourth proportional to 31,782.20, 47,684.23 and 14,264.33 is: 21,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.20 : 47,684.23 = 14,264.33 : x
  2. Step 2: Convert to fraction form
    31,782.20/47,684.23 = 14,264.33/x
  3. Step 3: Cross multiply
    31,782.20x = 47,684.23 × 14,264.33
  4. Step 4: Simplify right side
    31,782.20x = 680,183,318.43
  5. Step 5: Solve for x
    x = 680,183,318.43/31,782.20
  6. Step 6: Final answer
    x = 21,401.40

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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.