Home / 31,340.63-46,997.07-14,687.21

Finding the Fourth Proportional to 31,340.63, 46,997.07 and 14,687.21

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Solution

The fourth proportional to 31,340.63, 46,997.07 and 14,687.21 is: 22,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.63 : 46,997.07 = 14,687.21 : x
  2. Step 2: Convert to fraction form
    31,340.63/46,997.07 = 14,687.21/x
  3. Step 3: Cross multiply
    31,340.63x = 46,997.07 × 14,687.21
  4. Step 4: Simplify right side
    31,340.63x = 690,255,836.47
  5. Step 5: Solve for x
    x = 690,255,836.47/31,340.63
  6. Step 6: Final answer
    x = 22,024.31

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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.