Home / 42,813.48-64,231.14-16,511.16

Finding the Fourth Proportional to 42,813.48, 64,231.14 and 16,511.16

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Solution

The fourth proportional to 42,813.48, 64,231.14 and 16,511.16 is: 24,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,813.48 : 64,231.14 = 16,511.16 : x
  2. Step 2: Convert to fraction form
    42,813.48/64,231.14 = 16,511.16/x
  3. Step 3: Cross multiply
    42,813.48x = 64,231.14 × 16,511.16
  4. Step 4: Simplify right side
    42,813.48x = 1,060,530,629.52
  5. Step 5: Solve for x
    x = 1,060,530,629.52/42,813.48
  6. Step 6: Final answer
    x = 24,770.95

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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.