Home / 30,907.96-42,651.29-17,481.92

Finding the Fourth Proportional to 30,907.96, 42,651.29 and 17,481.92

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Solution

The fourth proportional to 30,907.96, 42,651.29 and 17,481.92 is: 24,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,907.96 : 42,651.29 = 17,481.92 : x
  2. Step 2: Convert to fraction form
    30,907.96/42,651.29 = 17,481.92/x
  3. Step 3: Cross multiply
    30,907.96x = 42,651.29 × 17,481.92
  4. Step 4: Simplify right side
    30,907.96x = 745,626,270.13
  5. Step 5: Solve for x
    x = 745,626,270.13/30,907.96
  6. Step 6: Final answer
    x = 24,124.09

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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.