Home / 37,170.05-51,294.82-20,174.32

Finding the Fourth Proportional to 37,170.05, 51,294.82 and 20,174.32

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Solution

The fourth proportional to 37,170.05, 51,294.82 and 20,174.32 is: 27,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.05 : 51,294.82 = 20,174.32 : x
  2. Step 2: Convert to fraction form
    37,170.05/51,294.82 = 20,174.32/x
  3. Step 3: Cross multiply
    37,170.05x = 51,294.82 × 20,174.32
  4. Step 4: Simplify right side
    37,170.05x = 1,034,838,004.87
  5. Step 5: Solve for x
    x = 1,034,838,004.87/37,170.05
  6. Step 6: Final answer
    x = 27,840.64

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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.