Home / 30,083.12-41,521.38-17,515.16

Finding the Fourth Proportional to 30,083.12, 41,521.38 and 17,515.16

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Solution

The fourth proportional to 30,083.12, 41,521.38 and 17,515.16 is: 24,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.12 : 41,521.38 = 17,515.16 : x
  2. Step 2: Convert to fraction form
    30,083.12/41,521.38 = 17,515.16/x
  3. Step 3: Cross multiply
    30,083.12x = 41,521.38 × 17,515.16
  4. Step 4: Simplify right side
    30,083.12x = 727,253,614.12
  5. Step 5: Solve for x
    x = 727,253,614.12/30,083.12
  6. Step 6: Final answer
    x = 24,174.81

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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.