Home / 30,167.74-41,635.18-17,420.91

Finding the Fourth Proportional to 30,167.74, 41,635.18 and 17,420.91

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Solution

The fourth proportional to 30,167.74, 41,635.18 and 17,420.91 is: 24,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.74 : 41,635.18 = 17,420.91 : x
  2. Step 2: Convert to fraction form
    30,167.74/41,635.18 = 17,420.91/x
  3. Step 3: Cross multiply
    30,167.74x = 41,635.18 × 17,420.91
  4. Step 4: Simplify right side
    30,167.74x = 725,322,589.26
  5. Step 5: Solve for x
    x = 725,322,589.26/30,167.74
  6. Step 6: Final answer
    x = 24,042.99

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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.