Home / 31,408.50-43,343.73-17,262.26

Finding the Fourth Proportional to 31,408.50, 43,343.73 and 17,262.26

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Solution

The fourth proportional to 31,408.50, 43,343.73 and 17,262.26 is: 23,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.50 : 43,343.73 = 17,262.26 : x
  2. Step 2: Convert to fraction form
    31,408.50/43,343.73 = 17,262.26/x
  3. Step 3: Cross multiply
    31,408.50x = 43,343.73 × 17,262.26
  4. Step 4: Simplify right side
    31,408.50x = 748,210,519.91
  5. Step 5: Solve for x
    x = 748,210,519.91/31,408.50
  6. Step 6: Final answer
    x = 23,821.91

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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.