Home / 42,684.35-64,029.62-16,389.09

Finding the Fourth Proportional to 42,684.35, 64,029.62 and 16,389.09

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Solution

The fourth proportional to 42,684.35, 64,029.62 and 16,389.09 is: 24,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.35 : 64,029.62 = 16,389.09 : x
  2. Step 2: Convert to fraction form
    42,684.35/64,029.62 = 16,389.09/x
  3. Step 3: Cross multiply
    42,684.35x = 64,029.62 × 16,389.09
  4. Step 4: Simplify right side
    42,684.35x = 1,049,387,245.82
  5. Step 5: Solve for x
    x = 1,049,387,245.82/42,684.35
  6. Step 6: Final answer
    x = 24,584.83

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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.