Home / 38,537.16-53,183.88-21,771.24

Finding the Fourth Proportional to 38,537.16, 53,183.88 and 21,771.24

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Solution

The fourth proportional to 38,537.16, 53,183.88 and 21,771.24 is: 30,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.16 : 53,183.88 = 21,771.24 : x
  2. Step 2: Convert to fraction form
    38,537.16/53,183.88 = 21,771.24/x
  3. Step 3: Cross multiply
    38,537.16x = 53,183.88 × 21,771.24
  4. Step 4: Simplify right side
    38,537.16x = 1,157,879,015.61
  5. Step 5: Solve for x
    x = 1,157,879,015.61/38,537.16
  6. Step 6: Final answer
    x = 30,045.78

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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.