Home / 43,693.05-65,528.71-18,730.27

Finding the Fourth Proportional to 43,693.05, 65,528.71 and 18,730.27

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Solution

The fourth proportional to 43,693.05, 65,528.71 and 18,730.27 is: 28,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,693.05 : 65,528.71 = 18,730.27 : x
  2. Step 2: Convert to fraction form
    43,693.05/65,528.71 = 18,730.27/x
  3. Step 3: Cross multiply
    43,693.05x = 65,528.71 × 18,730.27
  4. Step 4: Simplify right side
    43,693.05x = 1,227,370,431.05
  5. Step 5: Solve for x
    x = 1,227,370,431.05/43,693.05
  6. Step 6: Final answer
    x = 28,090.75

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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.