Home / 43,535.64-65,308.20-18,578.34

Finding the Fourth Proportional to 43,535.64, 65,308.20 and 18,578.34

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Solution

The fourth proportional to 43,535.64, 65,308.20 and 18,578.34 is: 27,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,535.64 : 65,308.20 = 18,578.34 : x
  2. Step 2: Convert to fraction form
    43,535.64/65,308.20 = 18,578.34/x
  3. Step 3: Cross multiply
    43,535.64x = 65,308.20 × 18,578.34
  4. Step 4: Simplify right side
    43,535.64x = 1,213,317,944.39
  5. Step 5: Solve for x
    x = 1,213,317,944.39/43,535.64
  6. Step 6: Final answer
    x = 27,869.53

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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.