Home / 30,525.52-45,858.48-21,540.33

Finding the Fourth Proportional to 30,525.52, 45,858.48 and 21,540.33

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Solution

The fourth proportional to 30,525.52, 45,858.48 and 21,540.33 is: 32,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.52 : 45,858.48 = 21,540.33 : x
  2. Step 2: Convert to fraction form
    30,525.52/45,858.48 = 21,540.33/x
  3. Step 3: Cross multiply
    30,525.52x = 45,858.48 × 21,540.33
  4. Step 4: Simplify right side
    30,525.52x = 987,806,563.21
  5. Step 5: Solve for x
    x = 987,806,563.21/30,525.52
  6. Step 6: Final answer
    x = 32,360.02

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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.