Home / 31,176.90-43,013.45-17,744.81

Finding the Fourth Proportional to 31,176.90, 43,013.45 and 17,744.81

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Solution

The fourth proportional to 31,176.90, 43,013.45 and 17,744.81 is: 24,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.90 : 43,013.45 = 17,744.81 : x
  2. Step 2: Convert to fraction form
    31,176.90/43,013.45 = 17,744.81/x
  3. Step 3: Cross multiply
    31,176.90x = 43,013.45 × 17,744.81
  4. Step 4: Simplify right side
    31,176.90x = 763,265,326.99
  5. Step 5: Solve for x
    x = 763,265,326.99/31,176.90
  6. Step 6: Final answer
    x = 24,481.76

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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.