Home / 31,506.22-43,484.88-18,086.55

Finding the Fourth Proportional to 31,506.22, 43,484.88 and 18,086.55

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Solution

The fourth proportional to 31,506.22, 43,484.88 and 18,086.55 is: 24,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.22 : 43,484.88 = 18,086.55 : x
  2. Step 2: Convert to fraction form
    31,506.22/43,484.88 = 18,086.55/x
  3. Step 3: Cross multiply
    31,506.22x = 43,484.88 × 18,086.55
  4. Step 4: Simplify right side
    31,506.22x = 786,491,456.36
  5. Step 5: Solve for x
    x = 786,491,456.36/31,506.22
  6. Step 6: Final answer
    x = 24,963.05

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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.