Home / 31,349.05-43,261.35-17,201.89

Finding the Fourth Proportional to 31,349.05, 43,261.35 and 17,201.89

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Solution

The fourth proportional to 31,349.05, 43,261.35 and 17,201.89 is: 23,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.05 : 43,261.35 = 17,201.89 : x
  2. Step 2: Convert to fraction form
    31,349.05/43,261.35 = 17,201.89/x
  3. Step 3: Cross multiply
    31,349.05x = 43,261.35 × 17,201.89
  4. Step 4: Simplify right side
    31,349.05x = 744,176,983.95
  5. Step 5: Solve for x
    x = 744,176,983.95/31,349.05
  6. Step 6: Final answer
    x = 23,738.42

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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.