Home / 30,380.67-41,918.60-17,626.46

Finding the Fourth Proportional to 30,380.67, 41,918.60 and 17,626.46

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Solution

The fourth proportional to 30,380.67, 41,918.60 and 17,626.46 is: 24,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380.67 : 41,918.60 = 17,626.46 : x
  2. Step 2: Convert to fraction form
    30,380.67/41,918.60 = 17,626.46/x
  3. Step 3: Cross multiply
    30,380.67x = 41,918.60 × 17,626.46
  4. Step 4: Simplify right side
    30,380.67x = 738,876,526.16
  5. Step 5: Solve for x
    x = 738,876,526.16/30,380.67
  6. Step 6: Final answer
    x = 24,320.61

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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.