Home / 31,808.56-43,899.84-19,233.28

Finding the Fourth Proportional to 31,808.56, 43,899.84 and 19,233.28

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Solution

The fourth proportional to 31,808.56, 43,899.84 and 19,233.28 is: 26,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.56 : 43,899.84 = 19,233.28 : x
  2. Step 2: Convert to fraction form
    31,808.56/43,899.84 = 19,233.28/x
  3. Step 3: Cross multiply
    31,808.56x = 43,899.84 × 19,233.28
  4. Step 4: Simplify right side
    31,808.56x = 844,337,914.68
  5. Step 5: Solve for x
    x = 844,337,914.68/31,808.56
  6. Step 6: Final answer
    x = 26,544.36

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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.