Home / 36,990.69-51,042.20-21,884.19

Finding the Fourth Proportional to 36,990.69, 51,042.20 and 21,884.19

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Solution

The fourth proportional to 36,990.69, 51,042.20 and 21,884.19 is: 30,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.69 : 51,042.20 = 21,884.19 : x
  2. Step 2: Convert to fraction form
    36,990.69/51,042.20 = 21,884.19/x
  3. Step 3: Cross multiply
    36,990.69x = 51,042.20 × 21,884.19
  4. Step 4: Simplify right side
    36,990.69x = 1,117,017,093.40
  5. Step 5: Solve for x
    x = 1,117,017,093.40/36,990.69
  6. Step 6: Final answer
    x = 30,197.25

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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.