Home / 31,247.06-43,076.07-22,278.99

Finding the Fourth Proportional to 31,247.06, 43,076.07 and 22,278.99

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Solution

The fourth proportional to 31,247.06, 43,076.07 and 22,278.99 is: 30,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.06 : 43,076.07 = 22,278.99 : x
  2. Step 2: Convert to fraction form
    31,247.06/43,076.07 = 22,278.99/x
  3. Step 3: Cross multiply
    31,247.06x = 43,076.07 × 22,278.99
  4. Step 4: Simplify right side
    31,247.06x = 959,691,332.77
  5. Step 5: Solve for x
    x = 959,691,332.77/31,247.06
  6. Step 6: Final answer
    x = 30,713.02

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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.