Home / 43,768.86-65,667.33-15,669.84

Finding the Fourth Proportional to 43,768.86, 65,667.33 and 15,669.84

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Solution

The fourth proportional to 43,768.86, 65,667.33 and 15,669.84 is: 23,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.86 : 65,667.33 = 15,669.84 : x
  2. Step 2: Convert to fraction form
    43,768.86/65,667.33 = 15,669.84/x
  3. Step 3: Cross multiply
    43,768.86x = 65,667.33 × 15,669.84
  4. Step 4: Simplify right side
    43,768.86x = 1,028,996,554.33
  5. Step 5: Solve for x
    x = 1,028,996,554.33/43,768.86
  6. Step 6: Final answer
    x = 23,509.79

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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.