Home / 31,721.92-47,589.84-9,537.28

Finding the Fourth Proportional to 31,721.92, 47,589.84 and 9,537.28

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Solution

The fourth proportional to 31,721.92, 47,589.84 and 9,537.28 is: 14,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.92 : 47,589.84 = 9,537.28 : x
  2. Step 2: Convert to fraction form
    31,721.92/47,589.84 = 9,537.28/x
  3. Step 3: Cross multiply
    31,721.92x = 47,589.84 × 9,537.28
  4. Step 4: Simplify right side
    31,721.92x = 453,877,629.24
  5. Step 5: Solve for x
    x = 453,877,629.24/31,721.92
  6. Step 6: Final answer
    x = 14,308.01

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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.