Home / 30,247.42-41,741.48-16,818.54

Finding the Fourth Proportional to 30,247.42, 41,741.48 and 16,818.54

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Solution

The fourth proportional to 30,247.42, 41,741.48 and 16,818.54 is: 23,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.42 : 41,741.48 = 16,818.54 : x
  2. Step 2: Convert to fraction form
    30,247.42/41,741.48 = 16,818.54/x
  3. Step 3: Cross multiply
    30,247.42x = 41,741.48 × 16,818.54
  4. Step 4: Simplify right side
    30,247.42x = 702,030,751.04
  5. Step 5: Solve for x
    x = 702,030,751.04/30,247.42
  6. Step 6: Final answer
    x = 23,209.61

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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.