Home / 30,418.88-45,590.65-17,231.27

Finding the Fourth Proportional to 30,418.88, 45,590.65 and 17,231.27

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Solution

The fourth proportional to 30,418.88, 45,590.65 and 17,231.27 is: 25,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.88 : 45,590.65 = 17,231.27 : x
  2. Step 2: Convert to fraction form
    30,418.88/45,590.65 = 17,231.27/x
  3. Step 3: Cross multiply
    30,418.88x = 45,590.65 × 17,231.27
  4. Step 4: Simplify right side
    30,418.88x = 785,584,799.63
  5. Step 5: Solve for x
    x = 785,584,799.63/30,418.88
  6. Step 6: Final answer
    x = 25,825.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.