Home / 30,111.64-41,550.08-17,365.30

Finding the Fourth Proportional to 30,111.64, 41,550.08 and 17,365.30

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Solution

The fourth proportional to 30,111.64, 41,550.08 and 17,365.30 is: 23,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.64 : 41,550.08 = 17,365.30 : x
  2. Step 2: Convert to fraction form
    30,111.64/41,550.08 = 17,365.30/x
  3. Step 3: Cross multiply
    30,111.64x = 41,550.08 × 17,365.30
  4. Step 4: Simplify right side
    30,111.64x = 721,529,604.22
  5. Step 5: Solve for x
    x = 721,529,604.22/30,111.64
  6. Step 6: Final answer
    x = 23,961.82

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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.