Home / 30,123.32-41,571.78-16,696.04

Finding the Fourth Proportional to 30,123.32, 41,571.78 and 16,696.04

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Solution

The fourth proportional to 30,123.32, 41,571.78 and 16,696.04 is: 23,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.32 : 41,571.78 = 16,696.04 : x
  2. Step 2: Convert to fraction form
    30,123.32/41,571.78 = 16,696.04/x
  3. Step 3: Cross multiply
    30,123.32x = 41,571.78 × 16,696.04
  4. Step 4: Simplify right side
    30,123.32x = 694,084,101.75
  5. Step 5: Solve for x
    x = 694,084,101.75/30,123.32
  6. Step 6: Final answer
    x = 23,041.42

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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.