Home / 38,186.82-57,302.91-20,656.26

Finding the Fourth Proportional to 38,186.82, 57,302.91 and 20,656.26

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Solution

The fourth proportional to 38,186.82, 57,302.91 and 20,656.26 is: 30,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.82 : 57,302.91 = 20,656.26 : x
  2. Step 2: Convert to fraction form
    38,186.82/57,302.91 = 20,656.26/x
  3. Step 3: Cross multiply
    38,186.82x = 57,302.91 × 20,656.26
  4. Step 4: Simplify right side
    38,186.82x = 1,183,663,807.72
  5. Step 5: Solve for x
    x = 1,183,663,807.72/38,186.82
  6. Step 6: Final answer
    x = 30,996.66

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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.