Home / 30,629.07-45,911.12-17,453.21

Finding the Fourth Proportional to 30,629.07, 45,911.12 and 17,453.21

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Solution

The fourth proportional to 30,629.07, 45,911.12 and 17,453.21 is: 26,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.07 : 45,911.12 = 17,453.21 : x
  2. Step 2: Convert to fraction form
    30,629.07/45,911.12 = 17,453.21/x
  3. Step 3: Cross multiply
    30,629.07x = 45,911.12 × 17,453.21
  4. Step 4: Simplify right side
    30,629.07x = 801,296,101.87
  5. Step 5: Solve for x
    x = 801,296,101.87/30,629.07
  6. Step 6: Final answer
    x = 26,161.29

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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.