Home / 29,919.36-41,259.92-19,692.12

Finding the Fourth Proportional to 29,919.36, 41,259.92 and 19,692.12

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Solution

The fourth proportional to 29,919.36, 41,259.92 and 19,692.12 is: 27,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.36 : 41,259.92 = 19,692.12 : x
  2. Step 2: Convert to fraction form
    29,919.36/41,259.92 = 19,692.12/x
  3. Step 3: Cross multiply
    29,919.36x = 41,259.92 × 19,692.12
  4. Step 4: Simplify right side
    29,919.36x = 812,495,295.83
  5. Step 5: Solve for x
    x = 812,495,295.83/29,919.36
  6. Step 6: Final answer
    x = 27,156.17

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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.