Home / 30,389.24-41,939.26-16,963.11

Finding the Fourth Proportional to 30,389.24, 41,939.26 and 16,963.11

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Solution

The fourth proportional to 30,389.24, 41,939.26 and 16,963.11 is: 23,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.24 : 41,939.26 = 16,963.11 : x
  2. Step 2: Convert to fraction form
    30,389.24/41,939.26 = 16,963.11/x
  3. Step 3: Cross multiply
    30,389.24x = 41,939.26 × 16,963.11
  4. Step 4: Simplify right side
    30,389.24x = 711,420,238.29
  5. Step 5: Solve for x
    x = 711,420,238.29/30,389.24
  6. Step 6: Final answer
    x = 23,410.27

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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.