Home / 35,331.12-48,759.84-21,183.66

Finding the Fourth Proportional to 35,331.12, 48,759.84 and 21,183.66

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Solution

The fourth proportional to 35,331.12, 48,759.84 and 21,183.66 is: 29,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.12 : 48,759.84 = 21,183.66 : x
  2. Step 2: Convert to fraction form
    35,331.12/48,759.84 = 21,183.66/x
  3. Step 3: Cross multiply
    35,331.12x = 48,759.84 × 21,183.66
  4. Step 4: Simplify right side
    35,331.12x = 1,032,911,872.21
  5. Step 5: Solve for x
    x = 1,032,911,872.21/35,331.12
  6. Step 6: Final answer
    x = 29,235.19

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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.