Home / 38,544.12-53,183.94-21,548.70

Finding the Fourth Proportional to 38,544.12, 53,183.94 and 21,548.70

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Solution

The fourth proportional to 38,544.12, 53,183.94 and 21,548.70 is: 29,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,544.12 : 53,183.94 = 21,548.70 : x
  2. Step 2: Convert to fraction form
    38,544.12/53,183.94 = 21,548.70/x
  3. Step 3: Cross multiply
    38,544.12x = 53,183.94 × 21,548.70
  4. Step 4: Simplify right side
    38,544.12x = 1,146,044,767.88
  5. Step 5: Solve for x
    x = 1,146,044,767.88/38,544.12
  6. Step 6: Final answer
    x = 29,733.32

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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.