Home / 37,181.31-51,309.85-20,185.19

Finding the Fourth Proportional to 37,181.31, 51,309.85 and 20,185.19

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Solution

The fourth proportional to 37,181.31, 51,309.85 and 20,185.19 is: 27,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,181.31 : 51,309.85 = 20,185.19 : x
  2. Step 2: Convert to fraction form
    37,181.31/51,309.85 = 20,185.19/x
  3. Step 3: Cross multiply
    37,181.31x = 51,309.85 × 20,185.19
  4. Step 4: Simplify right side
    37,181.31x = 1,035,698,713.65
  5. Step 5: Solve for x
    x = 1,035,698,713.65/37,181.31
  6. Step 6: Final answer
    x = 27,855.36

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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.