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Finding the Fourth Proportional to 57,073.44, 85,443.60 and 33,308.16

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Solution

The fourth proportional to 57,073.44, 85,443.60 and 33,308.16 is: 49,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,073.44 : 85,443.60 = 33,308.16 : x
  2. Step 2: Convert to fraction form
    57,073.44/85,443.60 = 33,308.16/x
  3. Step 3: Cross multiply
    57,073.44x = 85,443.60 × 33,308.16
  4. Step 4: Simplify right side
    57,073.44x = 2,845,969,099.78
  5. Step 5: Solve for x
    x = 2,845,969,099.78/57,073.44
  6. Step 6: Final answer
    x = 49,865.04

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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.