Home / 31,305.22-43,200.84-17,158.06

Finding the Fourth Proportional to 31,305.22, 43,200.84 and 17,158.06

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Solution

The fourth proportional to 31,305.22, 43,200.84 and 17,158.06 is: 23,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.22 : 43,200.84 = 17,158.06 : x
  2. Step 2: Convert to fraction form
    31,305.22/43,200.84 = 17,158.06/x
  3. Step 3: Cross multiply
    31,305.22x = 43,200.84 × 17,158.06
  4. Step 4: Simplify right side
    31,305.22x = 741,242,604.77
  5. Step 5: Solve for x
    x = 741,242,604.77/31,305.22
  6. Step 6: Final answer
    x = 23,677.92

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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.