Home / 31,761.46-43,832.82-18,333.28

Finding the Fourth Proportional to 31,761.46, 43,832.82 and 18,333.28

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Solution

The fourth proportional to 31,761.46, 43,832.82 and 18,333.28 is: 25,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.46 : 43,832.82 = 18,333.28 : x
  2. Step 2: Convert to fraction form
    31,761.46/43,832.82 = 18,333.28/x
  3. Step 3: Cross multiply
    31,761.46x = 43,832.82 × 18,333.28
  4. Step 4: Simplify right side
    31,761.46x = 803,599,362.25
  5. Step 5: Solve for x
    x = 803,599,362.25/31,761.46
  6. Step 6: Final answer
    x = 25,301.08

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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.