Home / 36,912.91-55,378.18-11,952.99

Finding the Fourth Proportional to 36,912.91, 55,378.18 and 11,952.99

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Solution

The fourth proportional to 36,912.91, 55,378.18 and 11,952.99 is: 17,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.91 : 55,378.18 = 11,952.99 : x
  2. Step 2: Convert to fraction form
    36,912.91/55,378.18 = 11,952.99/x
  3. Step 3: Cross multiply
    36,912.91x = 55,378.18 × 11,952.99
  4. Step 4: Simplify right side
    36,912.91x = 661,934,831.76
  5. Step 5: Solve for x
    x = 661,934,831.76/36,912.91
  6. Step 6: Final answer
    x = 17,932.34

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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.