Home / 30,111.28-41,550.14-16,679.18

Finding the Fourth Proportional to 30,111.28, 41,550.14 and 16,679.18

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Solution

The fourth proportional to 30,111.28, 41,550.14 and 16,679.18 is: 23,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.28 : 41,550.14 = 16,679.18 : x
  2. Step 2: Convert to fraction form
    30,111.28/41,550.14 = 16,679.18/x
  3. Step 3: Cross multiply
    30,111.28x = 41,550.14 × 16,679.18
  4. Step 4: Simplify right side
    30,111.28x = 693,022,264.09
  5. Step 5: Solve for x
    x = 693,022,264.09/30,111.28
  6. Step 6: Final answer
    x = 23,015.37

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Double scale
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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.