Home / 43,796.25-65,700.86-20,409.93

Finding the Fourth Proportional to 43,796.25, 65,700.86 and 20,409.93

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Solution

The fourth proportional to 43,796.25, 65,700.86 and 20,409.93 is: 30,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,796.25 : 65,700.86 = 20,409.93 : x
  2. Step 2: Convert to fraction form
    43,796.25/65,700.86 = 20,409.93/x
  3. Step 3: Cross multiply
    43,796.25x = 65,700.86 × 20,409.93
  4. Step 4: Simplify right side
    43,796.25x = 1,340,949,851.49
  5. Step 5: Solve for x
    x = 1,340,949,851.49/43,796.25
  6. Step 6: Final answer
    x = 30,617.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.