Home / 57,102.08-85,631.82-19,651.56

Finding the Fourth Proportional to 57,102.08, 85,631.82 and 19,651.56

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Solution

The fourth proportional to 57,102.08, 85,631.82 and 19,651.56 is: 29,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.08 : 85,631.82 = 19,651.56 : x
  2. Step 2: Convert to fraction form
    57,102.08/85,631.82 = 19,651.56/x
  3. Step 3: Cross multiply
    57,102.08x = 85,631.82 × 19,651.56
  4. Step 4: Simplify right side
    57,102.08x = 1,682,798,848.64
  5. Step 5: Solve for x
    x = 1,682,798,848.64/57,102.08
  6. Step 6: Final answer
    x = 29,470.01

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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.