Home / 30,120.31-41,568.41-16,692.85

Finding the Fourth Proportional to 30,120.31, 41,568.41 and 16,692.85

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Solution

The fourth proportional to 30,120.31, 41,568.41 and 16,692.85 is: 23,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.31 : 41,568.41 = 16,692.85 : x
  2. Step 2: Convert to fraction form
    30,120.31/41,568.41 = 16,692.85/x
  3. Step 3: Cross multiply
    30,120.31x = 41,568.41 × 16,692.85
  4. Step 4: Simplify right side
    30,120.31x = 693,895,232.87
  5. Step 5: Solve for x
    x = 693,895,232.87/30,120.31
  6. Step 6: Final answer
    x = 23,037.45

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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.