Home / 30,912.30-42,626.91-26,450.82

Finding the Fourth Proportional to 30,912.30, 42,626.91 and 26,450.82

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Solution

The fourth proportional to 30,912.30, 42,626.91 and 26,450.82 is: 36,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912.30 : 42,626.91 = 26,450.82 : x
  2. Step 2: Convert to fraction form
    30,912.30/42,626.91 = 26,450.82/x
  3. Step 3: Cross multiply
    30,912.30x = 42,626.91 × 26,450.82
  4. Step 4: Simplify right side
    30,912.30x = 1,127,516,723.57
  5. Step 5: Solve for x
    x = 1,127,516,723.57/30,912.30
  6. Step 6: Final answer
    x = 36,474.70

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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.