Home / 31,741.43-43,788.44-22,315.55

Finding the Fourth Proportional to 31,741.43, 43,788.44 and 22,315.55

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Solution

The fourth proportional to 31,741.43, 43,788.44 and 22,315.55 is: 30,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.43 : 43,788.44 = 22,315.55 : x
  2. Step 2: Convert to fraction form
    31,741.43/43,788.44 = 22,315.55/x
  3. Step 3: Cross multiply
    31,741.43x = 43,788.44 × 22,315.55
  4. Step 4: Simplify right side
    31,741.43x = 977,162,959.09
  5. Step 5: Solve for x
    x = 977,162,959.09/31,741.43
  6. Step 6: Final answer
    x = 30,785.10

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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.