Home / 30,553.83-45,821.16-11,832.57

Finding the Fourth Proportional to 30,553.83, 45,821.16 and 11,832.57

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Solution

The fourth proportional to 30,553.83, 45,821.16 and 11,832.57 is: 17,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.83 : 45,821.16 = 11,832.57 : x
  2. Step 2: Convert to fraction form
    30,553.83/45,821.16 = 11,832.57/x
  3. Step 3: Cross multiply
    30,553.83x = 45,821.16 × 11,832.57
  4. Step 4: Simplify right side
    30,553.83x = 542,182,083.18
  5. Step 5: Solve for x
    x = 542,182,083.18/30,553.83
  6. Step 6: Final answer
    x = 17,745.14

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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.