Home / 41,021.28-56,637.72-31,444.56

Finding the Fourth Proportional to 41,021.28, 56,637.72 and 31,444.56

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Solution

The fourth proportional to 41,021.28, 56,637.72 and 31,444.56 is: 43,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,021.28 : 56,637.72 = 31,444.56 : x
  2. Step 2: Convert to fraction form
    41,021.28/56,637.72 = 31,444.56/x
  3. Step 3: Cross multiply
    41,021.28x = 56,637.72 × 31,444.56
  4. Step 4: Simplify right side
    41,021.28x = 1,780,948,184.80
  5. Step 5: Solve for x
    x = 1,780,948,184.80/41,021.28
  6. Step 6: Final answer
    x = 43,415.23

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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.