Home / 30,255.23-41,749.01-16,824.32

Finding the Fourth Proportional to 30,255.23, 41,749.01 and 16,824.32

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Solution

The fourth proportional to 30,255.23, 41,749.01 and 16,824.32 is: 23,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.23 : 41,749.01 = 16,824.32 : x
  2. Step 2: Convert to fraction form
    30,255.23/41,749.01 = 16,824.32/x
  3. Step 3: Cross multiply
    30,255.23x = 41,749.01 × 16,824.32
  4. Step 4: Simplify right side
    30,255.23x = 702,398,703.92
  5. Step 5: Solve for x
    x = 702,398,703.92/30,255.23
  6. Step 6: Final answer
    x = 23,215.78

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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.