Home / 31,633.57-43,656.21-18,204.53

Finding the Fourth Proportional to 31,633.57, 43,656.21 and 18,204.53

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Solution

The fourth proportional to 31,633.57, 43,656.21 and 18,204.53 is: 25,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.57 : 43,656.21 = 18,204.53 : x
  2. Step 2: Convert to fraction form
    31,633.57/43,656.21 = 18,204.53/x
  3. Step 3: Cross multiply
    31,633.57x = 43,656.21 × 18,204.53
  4. Step 4: Simplify right side
    31,633.57x = 794,740,693.61
  5. Step 5: Solve for x
    x = 794,740,693.61/31,633.57
  6. Step 6: Final answer
    x = 25,123.33

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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.