Home / 31,556.65-43,545.15-17,408.59

Finding the Fourth Proportional to 31,556.65, 43,545.15 and 17,408.59

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Solution

The fourth proportional to 31,556.65, 43,545.15 and 17,408.59 is: 24,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,556.65 : 43,545.15 = 17,408.59 : x
  2. Step 2: Convert to fraction form
    31,556.65/43,545.15 = 17,408.59/x
  3. Step 3: Cross multiply
    31,556.65x = 43,545.15 × 17,408.59
  4. Step 4: Simplify right side
    31,556.65x = 758,059,662.84
  5. Step 5: Solve for x
    x = 758,059,662.84/31,556.65
  6. Step 6: Final answer
    x = 24,022.18

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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.