Home / 56,958.86-85,429.10-19,517.42

Finding the Fourth Proportional to 56,958.86, 85,429.10 and 19,517.42

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Solution

The fourth proportional to 56,958.86, 85,429.10 and 19,517.42 is: 29,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,958.86 : 85,429.10 = 19,517.42 : x
  2. Step 2: Convert to fraction form
    56,958.86/85,429.10 = 19,517.42/x
  3. Step 3: Cross multiply
    56,958.86x = 85,429.10 × 19,517.42
  4. Step 4: Simplify right side
    56,958.86x = 1,667,355,624.92
  5. Step 5: Solve for x
    x = 1,667,355,624.92/56,958.86
  6. Step 6: Final answer
    x = 29,272.98

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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.