Home / 30,190.77-41,650.29-18,247.17

Finding the Fourth Proportional to 30,190.77, 41,650.29 and 18,247.17

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Solution

The fourth proportional to 30,190.77, 41,650.29 and 18,247.17 is: 25,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.77 : 41,650.29 = 18,247.17 : x
  2. Step 2: Convert to fraction form
    30,190.77/41,650.29 = 18,247.17/x
  3. Step 3: Cross multiply
    30,190.77x = 41,650.29 × 18,247.17
  4. Step 4: Simplify right side
    30,190.77x = 759,999,922.18
  5. Step 5: Solve for x
    x = 759,999,922.18/30,190.77
  6. Step 6: Final answer
    x = 25,173.25

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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.