Home / 35,408.16-52,999.92-19,778.40

Finding the Fourth Proportional to 35,408.16, 52,999.92 and 19,778.40

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Solution

The fourth proportional to 35,408.16, 52,999.92 and 19,778.40 is: 29,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.16 : 52,999.92 = 19,778.40 : x
  2. Step 2: Convert to fraction form
    35,408.16/52,999.92 = 19,778.40/x
  3. Step 3: Cross multiply
    35,408.16x = 52,999.92 × 19,778.40
  4. Step 4: Simplify right side
    35,408.16x = 1,048,253,617.73
  5. Step 5: Solve for x
    x = 1,048,253,617.73/35,408.16
  6. Step 6: Final answer
    x = 29,604.86

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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.