Home / 57,081.60-85,631.64-17,629.56

Finding the Fourth Proportional to 57,081.60, 85,631.64 and 17,629.56

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Solution

The fourth proportional to 57,081.60, 85,631.64 and 17,629.56 is: 26,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,081.60 : 85,631.64 = 17,629.56 : x
  2. Step 2: Convert to fraction form
    57,081.60/85,631.64 = 17,629.56/x
  3. Step 3: Cross multiply
    57,081.60x = 85,631.64 × 17,629.56
  4. Step 4: Simplify right side
    57,081.60x = 1,509,648,135.28
  5. Step 5: Solve for x
    x = 1,509,648,135.28/57,081.60
  6. Step 6: Final answer
    x = 26,447.19

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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.