Home / 31,402.62-43,335.57-17,256.36

Finding the Fourth Proportional to 31,402.62, 43,335.57 and 17,256.36

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Solution

The fourth proportional to 31,402.62, 43,335.57 and 17,256.36 is: 23,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.62 : 43,335.57 = 17,256.36 : x
  2. Step 2: Convert to fraction form
    31,402.62/43,335.57 = 17,256.36/x
  3. Step 3: Cross multiply
    31,402.62x = 43,335.57 × 17,256.36
  4. Step 4: Simplify right side
    31,402.62x = 747,814,196.73
  5. Step 5: Solve for x
    x = 747,814,196.73/31,402.62
  6. Step 6: Final answer
    x = 23,813.75

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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.