Home / 79,349.63-119,022.60-20,185.34

Finding the Fourth Proportional to 79,349.63, 119,022.60 and 20,185.34

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Solution

The fourth proportional to 79,349.63, 119,022.60 and 20,185.34 is: 30,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,349.63 : 119,022.60 = 20,185.34 : x
  2. Step 2: Convert to fraction form
    79,349.63/119,022.60 = 20,185.34/x
  3. Step 3: Cross multiply
    79,349.63x = 119,022.60 × 20,185.34
  4. Step 4: Simplify right side
    79,349.63x = 2,402,511,648.68
  5. Step 5: Solve for x
    x = 2,402,511,648.68/79,349.63
  6. Step 6: Final answer
    x = 30,277.54

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1.5x scale

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.