Home / 30,230.36-41,706.85-18,289.34

Finding the Fourth Proportional to 30,230.36, 41,706.85 and 18,289.34

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Solution

The fourth proportional to 30,230.36, 41,706.85 and 18,289.34 is: 25,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.36 : 41,706.85 = 18,289.34 : x
  2. Step 2: Convert to fraction form
    30,230.36/41,706.85 = 18,289.34/x
  3. Step 3: Cross multiply
    30,230.36x = 41,706.85 × 18,289.34
  4. Step 4: Simplify right side
    30,230.36x = 762,790,931.02
  5. Step 5: Solve for x
    x = 762,790,931.02/30,230.36
  6. Step 6: Final answer
    x = 25,232.61

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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.