Home / 42,691.86-64,040.87-16,396.61

Finding the Fourth Proportional to 42,691.86, 64,040.87 and 16,396.61

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Solution

The fourth proportional to 42,691.86, 64,040.87 and 16,396.61 is: 24,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,691.86 : 64,040.87 = 16,396.61 : x
  2. Step 2: Convert to fraction form
    42,691.86/64,040.87 = 16,396.61/x
  3. Step 3: Cross multiply
    42,691.86x = 64,040.87 × 16,396.61
  4. Step 4: Simplify right side
    42,691.86x = 1,050,052,890.24
  5. Step 5: Solve for x
    x = 1,050,052,890.24/42,691.86
  6. Step 6: Final answer
    x = 24,596.09

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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.