Home / 40,756.96-56,161.72-29,406.43

Finding the Fourth Proportional to 40,756.96, 56,161.72 and 29,406.43

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Solution

The fourth proportional to 40,756.96, 56,161.72 and 29,406.43 is: 40,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,756.96 : 56,161.72 = 29,406.43 : x
  2. Step 2: Convert to fraction form
    40,756.96/56,161.72 = 29,406.43/x
  3. Step 3: Cross multiply
    40,756.96x = 56,161.72 × 29,406.43
  4. Step 4: Simplify right side
    40,756.96x = 1,651,515,687.86
  5. Step 5: Solve for x
    x = 1,651,515,687.86/40,756.96
  6. Step 6: Final answer
    x = 40,521.07

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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.