Home / 31,755.65-47,636.51-12,028.91

Finding the Fourth Proportional to 31,755.65, 47,636.51 and 12,028.91

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Solution

The fourth proportional to 31,755.65, 47,636.51 and 12,028.91 is: 18,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.65 : 47,636.51 = 12,028.91 : x
  2. Step 2: Convert to fraction form
    31,755.65/47,636.51 = 12,028.91/x
  3. Step 3: Cross multiply
    31,755.65x = 47,636.51 × 12,028.91
  4. Step 4: Simplify right side
    31,755.65x = 573,014,993.18
  5. Step 5: Solve for x
    x = 573,014,993.18/31,755.65
  6. Step 6: Final answer
    x = 18,044.51

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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.