Home / 57,146.20-85,709.58-15,583.48

Finding the Fourth Proportional to 57,146.20, 85,709.58 and 15,583.48

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Solution

The fourth proportional to 57,146.20, 85,709.58 and 15,583.48 is: 23,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.20 : 85,709.58 = 15,583.48 : x
  2. Step 2: Convert to fraction form
    57,146.20/85,709.58 = 15,583.48/x
  3. Step 3: Cross multiply
    57,146.20x = 85,709.58 × 15,583.48
  4. Step 4: Simplify right side
    57,146.20x = 1,335,653,525.74
  5. Step 5: Solve for x
    x = 1,335,653,525.74/57,146.20
  6. Step 6: Final answer
    x = 23,372.57

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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.