Home / 35,021.54-48,327.75-19,917.87

Finding the Fourth Proportional to 35,021.54, 48,327.75 and 19,917.87

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Solution

The fourth proportional to 35,021.54, 48,327.75 and 19,917.87 is: 27,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,021.54 : 48,327.75 = 19,917.87 : x
  2. Step 2: Convert to fraction form
    35,021.54/48,327.75 = 19,917.87/x
  3. Step 3: Cross multiply
    35,021.54x = 48,327.75 × 19,917.87
  4. Step 4: Simplify right side
    35,021.54x = 962,585,841.89
  5. Step 5: Solve for x
    x = 962,585,841.89/35,021.54
  6. Step 6: Final answer
    x = 27,485.54

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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.