Home / 30,271.26-45,419.96-11,556.92

Finding the Fourth Proportional to 30,271.26, 45,419.96 and 11,556.92

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Solution

The fourth proportional to 30,271.26, 45,419.96 and 11,556.92 is: 17,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.26 : 45,419.96 = 11,556.92 : x
  2. Step 2: Convert to fraction form
    30,271.26/45,419.96 = 11,556.92/x
  3. Step 3: Cross multiply
    30,271.26x = 45,419.96 × 11,556.92
  4. Step 4: Simplify right side
    30,271.26x = 524,914,844.12
  5. Step 5: Solve for x
    x = 524,914,844.12/30,271.26
  6. Step 6: Final answer
    x = 17,340.37

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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.