Home / 57,346.09-86,019.13-17,906.59

Finding the Fourth Proportional to 57,346.09, 86,019.13 and 17,906.59

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Solution

The fourth proportional to 57,346.09, 86,019.13 and 17,906.59 is: 26,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.09 : 86,019.13 = 17,906.59 : x
  2. Step 2: Convert to fraction form
    57,346.09/86,019.13 = 17,906.59/x
  3. Step 3: Cross multiply
    57,346.09x = 86,019.13 × 17,906.59
  4. Step 4: Simplify right side
    57,346.09x = 1,540,308,939.12
  5. Step 5: Solve for x
    x = 1,540,308,939.12/57,346.09
  6. Step 6: Final answer
    x = 26,859.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.