Home / 43,629.93-65,477.52-16,980.12

Finding the Fourth Proportional to 43,629.93, 65,477.52 and 16,980.12

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Solution

The fourth proportional to 43,629.93, 65,477.52 and 16,980.12 is: 25,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.93 : 65,477.52 = 16,980.12 : x
  2. Step 2: Convert to fraction form
    43,629.93/65,477.52 = 16,980.12/x
  3. Step 3: Cross multiply
    43,629.93x = 65,477.52 × 16,980.12
  4. Step 4: Simplify right side
    43,629.93x = 1,111,816,146.90
  5. Step 5: Solve for x
    x = 1,111,816,146.90/43,629.93
  6. Step 6: Final answer
    x = 25,482.88

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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.