Home / 31,701.26-47,552.43-11,989.10

Finding the Fourth Proportional to 31,701.26, 47,552.43 and 11,989.10

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Solution

The fourth proportional to 31,701.26, 47,552.43 and 11,989.10 is: 17,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.26 : 47,552.43 = 11,989.10 : x
  2. Step 2: Convert to fraction form
    31,701.26/47,552.43 = 11,989.10/x
  3. Step 3: Cross multiply
    31,701.26x = 47,552.43 × 11,989.10
  4. Step 4: Simplify right side
    31,701.26x = 570,110,838.51
  5. Step 5: Solve for x
    x = 570,110,838.51/31,701.26
  6. Step 6: Final answer
    x = 17,983.85

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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.