Home / 37,186.99-51,318.42-20,191.39

Finding the Fourth Proportional to 37,186.99, 51,318.42 and 20,191.39

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Solution

The fourth proportional to 37,186.99, 51,318.42 and 20,191.39 is: 27,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.99 : 51,318.42 = 20,191.39 : x
  2. Step 2: Convert to fraction form
    37,186.99/51,318.42 = 20,191.39/x
  3. Step 3: Cross multiply
    37,186.99x = 51,318.42 × 20,191.39
  4. Step 4: Simplify right side
    37,186.99x = 1,036,190,232.40
  5. Step 5: Solve for x
    x = 1,036,190,232.40/37,186.99
  6. Step 6: Final answer
    x = 27,864.32

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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.