Home / 30,889.06-42,626.73-16,741.90

Finding the Fourth Proportional to 30,889.06, 42,626.73 and 16,741.90

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Solution

The fourth proportional to 30,889.06, 42,626.73 and 16,741.90 is: 23,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.06 : 42,626.73 = 16,741.90 : x
  2. Step 2: Convert to fraction form
    30,889.06/42,626.73 = 16,741.90/x
  3. Step 3: Cross multiply
    30,889.06x = 42,626.73 × 16,741.90
  4. Step 4: Simplify right side
    30,889.06x = 713,652,450.99
  5. Step 5: Solve for x
    x = 713,652,450.99/30,889.06
  6. Step 6: Final answer
    x = 23,103.73

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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.