Home / 30,012.90-41,418.16-16,584.02

Finding the Fourth Proportional to 30,012.90, 41,418.16 and 16,584.02

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Solution

The fourth proportional to 30,012.90, 41,418.16 and 16,584.02 is: 22,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.90 : 41,418.16 = 16,584.02 : x
  2. Step 2: Convert to fraction form
    30,012.90/41,418.16 = 16,584.02/x
  3. Step 3: Cross multiply
    30,012.90x = 41,418.16 × 16,584.02
  4. Step 4: Simplify right side
    30,012.90x = 686,879,593.80
  5. Step 5: Solve for x
    x = 686,879,593.80/30,012.90
  6. Step 6: Final answer
    x = 22,886.15

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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.