Home / 31,575.51-43,571.44-20,224.98

Finding the Fourth Proportional to 31,575.51, 43,571.44 and 20,224.98

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Solution

The fourth proportional to 31,575.51, 43,571.44 and 20,224.98 is: 27,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.51 : 43,571.44 = 20,224.98 : x
  2. Step 2: Convert to fraction form
    31,575.51/43,571.44 = 20,224.98/x
  3. Step 3: Cross multiply
    31,575.51x = 43,571.44 × 20,224.98
  4. Step 4: Simplify right side
    31,575.51x = 881,231,234.15
  5. Step 5: Solve for x
    x = 881,231,234.15/31,575.51
  6. Step 6: Final answer
    x = 27,908.70

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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.