Home / 30,306.61-41,824.14-17,388.12

Finding the Fourth Proportional to 30,306.61, 41,824.14 and 17,388.12

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Solution

The fourth proportional to 30,306.61, 41,824.14 and 17,388.12 is: 23,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.61 : 41,824.14 = 17,388.12 : x
  2. Step 2: Convert to fraction form
    30,306.61/41,824.14 = 17,388.12/x
  3. Step 3: Cross multiply
    30,306.61x = 41,824.14 × 17,388.12
  4. Step 4: Simplify right side
    30,306.61x = 727,243,165.22
  5. Step 5: Solve for x
    x = 727,243,165.22/30,306.61
  6. Step 6: Final answer
    x = 23,996.19

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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.