Home / 30,255.10-41,789.67-23,266.30

Finding the Fourth Proportional to 30,255.10, 41,789.67 and 23,266.30

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Solution

The fourth proportional to 30,255.10, 41,789.67 and 23,266.30 is: 32,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.10 : 41,789.67 = 23,266.30 : x
  2. Step 2: Convert to fraction form
    30,255.10/41,789.67 = 23,266.30/x
  3. Step 3: Cross multiply
    30,255.10x = 41,789.67 × 23,266.30
  4. Step 4: Simplify right side
    30,255.10x = 972,290,999.12
  5. Step 5: Solve for x
    x = 972,290,999.12/30,255.10
  6. Step 6: Final answer
    x = 32,136.43

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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.