Home / 30,123.96-41,571.36-16,695.51

Finding the Fourth Proportional to 30,123.96, 41,571.36 and 16,695.51

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Solution

The fourth proportional to 30,123.96, 41,571.36 and 16,695.51 is: 23,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.96 : 41,571.36 = 16,695.51 : x
  2. Step 2: Convert to fraction form
    30,123.96/41,571.36 = 16,695.51/x
  3. Step 3: Cross multiply
    30,123.96x = 41,571.36 × 16,695.51
  4. Step 4: Simplify right side
    30,123.96x = 694,055,056.59
  5. Step 5: Solve for x
    x = 694,055,056.59/30,123.96
  6. Step 6: Final answer
    x = 23,039.97

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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.