Home / 31,408.29-43,342.95-17,260.83

Finding the Fourth Proportional to 31,408.29, 43,342.95 and 17,260.83

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Solution

The fourth proportional to 31,408.29, 43,342.95 and 17,260.83 is: 23,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.29 : 43,342.95 = 17,260.83 : x
  2. Step 2: Convert to fraction form
    31,408.29/43,342.95 = 17,260.83/x
  3. Step 3: Cross multiply
    31,408.29x = 43,342.95 × 17,260.83
  4. Step 4: Simplify right side
    31,408.29x = 748,135,291.65
  5. Step 5: Solve for x
    x = 748,135,291.65/31,408.29
  6. Step 6: Final answer
    x = 23,819.68

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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.