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Finding the Fourth Proportional to 54,489, 81,845.60 and 35,795.64

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Solution

The fourth proportional to 54,489, 81,845.60 and 35,795.64 is: 53,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489 : 81,845.60 = 35,795.64 : x
  2. Step 2: Convert to fraction form
    54,489/81,845.60 = 35,795.64/x
  3. Step 3: Cross multiply
    54,489x = 81,845.60 × 35,795.64
  4. Step 4: Simplify right side
    54,489x = 2,929,715,633.18
  5. Step 5: Solve for x
    x = 2,929,715,633.18/54,489
  6. Step 6: Final answer
    x = 53,767.10

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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.