Home / 30,120.30-41,564.96-16,692.80

Finding the Fourth Proportional to 30,120.30, 41,564.96 and 16,692.80

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Solution

The fourth proportional to 30,120.30, 41,564.96 and 16,692.80 is: 23,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.30 : 41,564.96 = 16,692.80 : x
  2. Step 2: Convert to fraction form
    30,120.30/41,564.96 = 16,692.80/x
  3. Step 3: Cross multiply
    30,120.30x = 41,564.96 × 16,692.80
  4. Step 4: Simplify right side
    30,120.30x = 693,835,584.74
  5. Step 5: Solve for x
    x = 693,835,584.74/30,120.30
  6. Step 6: Final answer
    x = 23,035.48

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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.