Home / 38,165.72-52,671.72-21,171.64

Finding the Fourth Proportional to 38,165.72, 52,671.72 and 21,171.64

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Solution

The fourth proportional to 38,165.72, 52,671.72 and 21,171.64 is: 29,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.72 : 52,671.72 = 21,171.64 : x
  2. Step 2: Convert to fraction form
    38,165.72/52,671.72 = 21,171.64/x
  3. Step 3: Cross multiply
    38,165.72x = 52,671.72 × 21,171.64
  4. Step 4: Simplify right side
    38,165.72x = 1,115,146,694.02
  5. Step 5: Solve for x
    x = 1,115,146,694.02/38,165.72
  6. Step 6: Final answer
    x = 29,218.54

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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.