Home / 35,198.64-48,555.72-21,765.60

Finding the Fourth Proportional to 35,198.64, 48,555.72 and 21,765.60

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Solution

The fourth proportional to 35,198.64, 48,555.72 and 21,765.60 is: 30,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,198.64 : 48,555.72 = 21,765.60 : x
  2. Step 2: Convert to fraction form
    35,198.64/48,555.72 = 21,765.60/x
  3. Step 3: Cross multiply
    35,198.64x = 48,555.72 × 21,765.60
  4. Step 4: Simplify right side
    35,198.64x = 1,056,844,379.23
  5. Step 5: Solve for x
    x = 1,056,844,379.23/35,198.64
  6. Step 6: Final answer
    x = 30,025.15

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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.