Home / 31,780.44-43,867.08-22,376.52

Finding the Fourth Proportional to 31,780.44, 43,867.08 and 22,376.52

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Solution

The fourth proportional to 31,780.44, 43,867.08 and 22,376.52 is: 30,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.44 : 43,867.08 = 22,376.52 : x
  2. Step 2: Convert to fraction form
    31,780.44/43,867.08 = 22,376.52/x
  3. Step 3: Cross multiply
    31,780.44x = 43,867.08 × 22,376.52
  4. Step 4: Simplify right side
    31,780.44x = 981,592,592.96
  5. Step 5: Solve for x
    x = 981,592,592.96/31,780.44
  6. Step 6: Final answer
    x = 30,886.69

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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.