Home / 43,616.93-65,372.59-19,892.00

Finding the Fourth Proportional to 43,616.93, 65,372.59 and 19,892.00

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Solution

The fourth proportional to 43,616.93, 65,372.59 and 19,892.00 is: 29,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,616.93 : 65,372.59 = 19,892.00 : x
  2. Step 2: Convert to fraction form
    43,616.93/65,372.59 = 19,892.00/x
  3. Step 3: Cross multiply
    43,616.93x = 65,372.59 × 19,892.00
  4. Step 4: Simplify right side
    43,616.93x = 1,300,391,268.96
  5. Step 5: Solve for x
    x = 1,300,391,268.96/43,616.93
  6. Step 6: Final answer
    x = 29,813.91

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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.