Home / 30,123.70-41,571.04-16,695.22

Finding the Fourth Proportional to 30,123.70, 41,571.04 and 16,695.22

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Solution

The fourth proportional to 30,123.70, 41,571.04 and 16,695.22 is: 23,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.70 : 41,571.04 = 16,695.22 : x
  2. Step 2: Convert to fraction form
    30,123.70/41,571.04 = 16,695.22/x
  3. Step 3: Cross multiply
    30,123.70x = 41,571.04 × 16,695.22
  4. Step 4: Simplify right side
    30,123.70x = 694,037,658.43
  5. Step 5: Solve for x
    x = 694,037,658.43/30,123.70
  6. Step 6: Final answer
    x = 23,039.59

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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.