Home / 31,725.08-43,780.52-17,577.92

Finding the Fourth Proportional to 31,725.08, 43,780.52 and 17,577.92

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Solution

The fourth proportional to 31,725.08, 43,780.52 and 17,577.92 is: 24,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.08 : 43,780.52 = 17,577.92 : x
  2. Step 2: Convert to fraction form
    31,725.08/43,780.52 = 17,577.92/x
  3. Step 3: Cross multiply
    31,725.08x = 43,780.52 × 17,577.92
  4. Step 4: Simplify right side
    31,725.08x = 769,570,478.12
  5. Step 5: Solve for x
    x = 769,570,478.12/31,725.08
  6. Step 6: Final answer
    x = 24,257.48

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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.