Home / 30,418.99-41,979.40-17,672.02

Finding the Fourth Proportional to 30,418.99, 41,979.40 and 17,672.02

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Solution

The fourth proportional to 30,418.99, 41,979.40 and 17,672.02 is: 24,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.99 : 41,979.40 = 17,672.02 : x
  2. Step 2: Convert to fraction form
    30,418.99/41,979.40 = 17,672.02/x
  3. Step 3: Cross multiply
    30,418.99x = 41,979.40 × 17,672.02
  4. Step 4: Simplify right side
    30,418.99x = 741,860,647.26
  5. Step 5: Solve for x
    x = 741,860,647.26/30,418.99
  6. Step 6: Final answer
    x = 24,388.08

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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.