Home / 37,182.81-51,311.92-20,186.68

Finding the Fourth Proportional to 37,182.81, 51,311.92 and 20,186.68

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Solution

The fourth proportional to 37,182.81, 51,311.92 and 20,186.68 is: 27,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,182.81 : 51,311.92 = 20,186.68 : x
  2. Step 2: Convert to fraction form
    37,182.81/51,311.92 = 20,186.68/x
  3. Step 3: Cross multiply
    37,182.81x = 51,311.92 × 20,186.68
  4. Step 4: Simplify right side
    37,182.81x = 1,035,817,309.23
  5. Step 5: Solve for x
    x = 1,035,817,309.23/37,182.81
  6. Step 6: Final answer
    x = 27,857.42

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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.