Home / 33,110.40-45,692.24-18,963.20

Finding the Fourth Proportional to 33,110.40, 45,692.24 and 18,963.20

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Solution

The fourth proportional to 33,110.40, 45,692.24 and 18,963.20 is: 26,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.40 : 45,692.24 = 18,963.20 : x
  2. Step 2: Convert to fraction form
    33,110.40/45,692.24 = 18,963.20/x
  3. Step 3: Cross multiply
    33,110.40x = 45,692.24 × 18,963.20
  4. Step 4: Simplify right side
    33,110.40x = 866,471,085.57
  5. Step 5: Solve for x
    x = 866,471,085.57/33,110.40
  6. Step 6: Final answer
    x = 26,169.15

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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.