Home / 43,575.58-65,390.96-18,615.75

Finding the Fourth Proportional to 43,575.58, 65,390.96 and 18,615.75

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Solution

The fourth proportional to 43,575.58, 65,390.96 and 18,615.75 is: 27,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.58 : 65,390.96 = 18,615.75 : x
  2. Step 2: Convert to fraction form
    43,575.58/65,390.96 = 18,615.75/x
  3. Step 3: Cross multiply
    43,575.58x = 65,390.96 × 18,615.75
  4. Step 4: Simplify right side
    43,575.58x = 1,217,301,763.62
  5. Step 5: Solve for x
    x = 1,217,301,763.62/43,575.58
  6. Step 6: Final answer
    x = 27,935.41

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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.