Home / 31,720.92-47,588.34-9,536.28

Finding the Fourth Proportional to 31,720.92, 47,588.34 and 9,536.28

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Solution

The fourth proportional to 31,720.92, 47,588.34 and 9,536.28 is: 14,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.92 : 47,588.34 = 9,536.28 : x
  2. Step 2: Convert to fraction form
    31,720.92/47,588.34 = 9,536.28/x
  3. Step 3: Cross multiply
    31,720.92x = 47,588.34 × 9,536.28
  4. Step 4: Simplify right side
    31,720.92x = 453,815,734.98
  5. Step 5: Solve for x
    x = 453,815,734.98/31,720.92
  6. Step 6: Final answer
    x = 14,306.51

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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.