Home / 31,237.20-43,106.97-17,089.89

Finding the Fourth Proportional to 31,237.20, 43,106.97 and 17,089.89

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Solution

The fourth proportional to 31,237.20, 43,106.97 and 17,089.89 is: 23,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.20 : 43,106.97 = 17,089.89 : x
  2. Step 2: Convert to fraction form
    31,237.20/43,106.97 = 17,089.89/x
  3. Step 3: Cross multiply
    31,237.20x = 43,106.97 × 17,089.89
  4. Step 4: Simplify right side
    31,237.20x = 736,693,375.53
  5. Step 5: Solve for x
    x = 736,693,375.53/31,237.20
  6. Step 6: Final answer
    x = 23,583.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.