Home / 43,955-65,935.55-17,659.72

Finding the Fourth Proportional to 43,955, 65,935.55 and 17,659.72

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Solution

The fourth proportional to 43,955, 65,935.55 and 17,659.72 is: 26,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,955 : 65,935.55 = 17,659.72 : x
  2. Step 2: Convert to fraction form
    43,955/65,935.55 = 17,659.72/x
  3. Step 3: Cross multiply
    43,955x = 65,935.55 × 17,659.72
  4. Step 4: Simplify right side
    43,955x = 1,164,403,351.05
  5. Step 5: Solve for x
    x = 1,164,403,351.05/43,955
  6. Step 6: Final answer
    x = 26,490.81

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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.