Home / 30,138.26-41,591.18-17,394.09

Finding the Fourth Proportional to 30,138.26, 41,591.18 and 17,394.09

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Solution

The fourth proportional to 30,138.26, 41,591.18 and 17,394.09 is: 24,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.26 : 41,591.18 = 17,394.09 : x
  2. Step 2: Convert to fraction form
    30,138.26/41,591.18 = 17,394.09/x
  3. Step 3: Cross multiply
    30,138.26x = 41,591.18 × 17,394.09
  4. Step 4: Simplify right side
    30,138.26x = 723,440,728.13
  5. Step 5: Solve for x
    x = 723,440,728.13/30,138.26
  6. Step 6: Final answer
    x = 24,004.06

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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.