Home / 31,733.12-43,796.39-18,301.77

Finding the Fourth Proportional to 31,733.12, 43,796.39 and 18,301.77

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Solution

The fourth proportional to 31,733.12, 43,796.39 and 18,301.77 is: 25,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,733.12 : 43,796.39 = 18,301.77 : x
  2. Step 2: Convert to fraction form
    31,733.12/43,796.39 = 18,301.77/x
  3. Step 3: Cross multiply
    31,733.12x = 43,796.39 × 18,301.77
  4. Step 4: Simplify right side
    31,733.12x = 801,551,365.10
  5. Step 5: Solve for x
    x = 801,551,365.10/31,733.12
  6. Step 6: Final answer
    x = 25,259.14

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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.