Home / 35,135.82-48,487.22-20,029.12

Finding the Fourth Proportional to 35,135.82, 48,487.22 and 20,029.12

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Solution

The fourth proportional to 35,135.82, 48,487.22 and 20,029.12 is: 27,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.82 : 48,487.22 = 20,029.12 : x
  2. Step 2: Convert to fraction form
    35,135.82/48,487.22 = 20,029.12/x
  3. Step 3: Cross multiply
    35,135.82x = 48,487.22 × 20,029.12
  4. Step 4: Simplify right side
    35,135.82x = 971,156,347.85
  5. Step 5: Solve for x
    x = 971,156,347.85/35,135.82
  6. Step 6: Final answer
    x = 27,640.06

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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.