Home / 30,115.87-41,556.94-17,370.21

Finding the Fourth Proportional to 30,115.87, 41,556.94 and 17,370.21

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Solution

The fourth proportional to 30,115.87, 41,556.94 and 17,370.21 is: 23,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.87 : 41,556.94 = 17,370.21 : x
  2. Step 2: Convert to fraction form
    30,115.87/41,556.94 = 17,370.21/x
  3. Step 3: Cross multiply
    30,115.87x = 41,556.94 × 17,370.21
  4. Step 4: Simplify right side
    30,115.87x = 721,852,774.76
  5. Step 5: Solve for x
    x = 721,852,774.76/30,115.87
  6. Step 6: Final answer
    x = 23,969.19

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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.