Home / 31,759.71-43,830.14-17,612.25

Finding the Fourth Proportional to 31,759.71, 43,830.14 and 17,612.25

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Solution

The fourth proportional to 31,759.71, 43,830.14 and 17,612.25 is: 24,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.71 : 43,830.14 = 17,612.25 : x
  2. Step 2: Convert to fraction form
    31,759.71/43,830.14 = 17,612.25/x
  3. Step 3: Cross multiply
    31,759.71x = 43,830.14 × 17,612.25
  4. Step 4: Simplify right side
    31,759.71x = 771,947,383.22
  5. Step 5: Solve for x
    x = 771,947,383.22/31,759.71
  6. Step 6: Final answer
    x = 24,305.87

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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.