Home / 29,640.06-44,401.77-19,638.18

Finding the Fourth Proportional to 29,640.06, 44,401.77 and 19,638.18

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Solution

The fourth proportional to 29,640.06, 44,401.77 and 19,638.18 is: 29,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.06 : 44,401.77 = 19,638.18 : x
  2. Step 2: Convert to fraction form
    29,640.06/44,401.77 = 19,638.18/x
  3. Step 3: Cross multiply
    29,640.06x = 44,401.77 × 19,638.18
  4. Step 4: Simplify right side
    29,640.06x = 871,969,951.58
  5. Step 5: Solve for x
    x = 871,969,951.58/29,640.06
  6. Step 6: Final answer
    x = 29,418.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.