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Finding the Fourth Proportional to 57,104.64, 85,656.60 and 15,551.64

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Solution

The fourth proportional to 57,104.64, 85,656.60 and 15,551.64 is: 23,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.64 : 85,656.60 = 15,551.64 : x
  2. Step 2: Convert to fraction form
    57,104.64/85,656.60 = 15,551.64/x
  3. Step 3: Cross multiply
    57,104.64x = 85,656.60 × 15,551.64
  4. Step 4: Simplify right side
    57,104.64x = 1,332,100,606.82
  5. Step 5: Solve for x
    x = 1,332,100,606.82/57,104.64
  6. Step 6: Final answer
    x = 23,327.36

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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.