Home / 31,804.56-43,894.32-19,229.28

Finding the Fourth Proportional to 31,804.56, 43,894.32 and 19,229.28

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Solution

The fourth proportional to 31,804.56, 43,894.32 and 19,229.28 is: 26,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.56 : 43,894.32 = 19,229.28 : x
  2. Step 2: Convert to fraction form
    31,804.56/43,894.32 = 19,229.28/x
  3. Step 3: Cross multiply
    31,804.56x = 43,894.32 × 19,229.28
  4. Step 4: Simplify right side
    31,804.56x = 844,056,169.69
  5. Step 5: Solve for x
    x = 844,056,169.69/31,804.56
  6. Step 6: Final answer
    x = 26,538.84

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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.