Home / 34,800.12-48,021.54-20,460.54

Finding the Fourth Proportional to 34,800.12, 48,021.54 and 20,460.54

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Solution

The fourth proportional to 34,800.12, 48,021.54 and 20,460.54 is: 28,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,800.12 : 48,021.54 = 20,460.54 : x
  2. Step 2: Convert to fraction form
    34,800.12/48,021.54 = 20,460.54/x
  3. Step 3: Cross multiply
    34,800.12x = 48,021.54 × 20,460.54
  4. Step 4: Simplify right side
    34,800.12x = 982,546,640.03
  5. Step 5: Solve for x
    x = 982,546,640.03/34,800.12
  6. Step 6: Final answer
    x = 28,234.00

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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.