Home / 30,907.82-42,655.43-17,481.46

Finding the Fourth Proportional to 30,907.82, 42,655.43 and 17,481.46

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Solution

The fourth proportional to 30,907.82, 42,655.43 and 17,481.46 is: 24,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,907.82 : 42,655.43 = 17,481.46 : x
  2. Step 2: Convert to fraction form
    30,907.82/42,655.43 = 17,481.46/x
  3. Step 3: Cross multiply
    30,907.82x = 42,655.43 × 17,481.46
  4. Step 4: Simplify right side
    30,907.82x = 745,679,193.33
  5. Step 5: Solve for x
    x = 745,679,193.33/30,907.82
  6. Step 6: Final answer
    x = 24,125.91

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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.