Home / 30,511.94-42,104.48-17,083.07

Finding the Fourth Proportional to 30,511.94, 42,104.48 and 17,083.07

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Solution

The fourth proportional to 30,511.94, 42,104.48 and 17,083.07 is: 23,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,511.94 : 42,104.48 = 17,083.07 : x
  2. Step 2: Convert to fraction form
    30,511.94/42,104.48 = 17,083.07/x
  3. Step 3: Cross multiply
    30,511.94x = 42,104.48 × 17,083.07
  4. Step 4: Simplify right side
    30,511.94x = 719,273,927.12
  5. Step 5: Solve for x
    x = 719,273,927.12/30,511.94
  6. Step 6: Final answer
    x = 23,573.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.