Home / 30,389.49-41,939.60-16,963.36

Finding the Fourth Proportional to 30,389.49, 41,939.60 and 16,963.36

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Solution

The fourth proportional to 30,389.49, 41,939.60 and 16,963.36 is: 23,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.49 : 41,939.60 = 16,963.36 : x
  2. Step 2: Convert to fraction form
    30,389.49/41,939.60 = 16,963.36/x
  3. Step 3: Cross multiply
    30,389.49x = 41,939.60 × 16,963.36
  4. Step 4: Simplify right side
    30,389.49x = 711,436,533.06
  5. Step 5: Solve for x
    x = 711,436,533.06/30,389.49
  6. Step 6: Final answer
    x = 23,410.61

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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.