Home / 30,189.06-41,635.35-19,435.77

Finding the Fourth Proportional to 30,189.06, 41,635.35 and 19,435.77

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Solution

The fourth proportional to 30,189.06, 41,635.35 and 19,435.77 is: 26,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.06 : 41,635.35 = 19,435.77 : x
  2. Step 2: Convert to fraction form
    30,189.06/41,635.35 = 19,435.77/x
  3. Step 3: Cross multiply
    30,189.06x = 41,635.35 × 19,435.77
  4. Step 4: Simplify right side
    30,189.06x = 809,215,086.47
  5. Step 5: Solve for x
    x = 809,215,086.47/30,189.06
  6. Step 6: Final answer
    x = 26,804.91

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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.