Home / 30,300.48-41,763.60-23,211.36

Finding the Fourth Proportional to 30,300.48, 41,763.60 and 23,211.36

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Solution

The fourth proportional to 30,300.48, 41,763.60 and 23,211.36 is: 31,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.48 : 41,763.60 = 23,211.36 : x
  2. Step 2: Convert to fraction form
    30,300.48/41,763.60 = 23,211.36/x
  3. Step 3: Cross multiply
    30,300.48x = 41,763.60 × 23,211.36
  4. Step 4: Simplify right side
    30,300.48x = 969,389,954.50
  5. Step 5: Solve for x
    x = 969,389,954.50/30,300.48
  6. Step 6: Final answer
    x = 31,992.56

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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.