Home / 57,491.21-79,335.24-40,502.27

Finding the Fourth Proportional to 57,491.21, 79,335.24 and 40,502.27

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Solution

The fourth proportional to 57,491.21, 79,335.24 and 40,502.27 is: 55,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,491.21 : 79,335.24 = 40,502.27 : x
  2. Step 2: Convert to fraction form
    57,491.21/79,335.24 = 40,502.27/x
  3. Step 3: Cross multiply
    57,491.21x = 79,335.24 × 40,502.27
  4. Step 4: Simplify right side
    57,491.21x = 3,213,257,310.99
  5. Step 5: Solve for x
    x = 3,213,257,310.99/57,491.21
  6. Step 6: Final answer
    x = 55,891.28

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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.