Home / 30,318.50-41,842.36-17,743.26

Finding the Fourth Proportional to 30,318.50, 41,842.36 and 17,743.26

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Solution

The fourth proportional to 30,318.50, 41,842.36 and 17,743.26 is: 24,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.50 : 41,842.36 = 17,743.26 : x
  2. Step 2: Convert to fraction form
    30,318.50/41,842.36 = 17,743.26/x
  3. Step 3: Cross multiply
    30,318.50x = 41,842.36 × 17,743.26
  4. Step 4: Simplify right side
    30,318.50x = 742,419,872.49
  5. Step 5: Solve for x
    x = 742,419,872.49/30,318.50
  6. Step 6: Final answer
    x = 24,487.35

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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.