Home / 79,944.96-119,895.57-30,021.22

Finding the Fourth Proportional to 79,944.96, 119,895.57 and 30,021.22

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Solution

The fourth proportional to 79,944.96, 119,895.57 and 30,021.22 is: 45,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,944.96 : 119,895.57 = 30,021.22 : x
  2. Step 2: Convert to fraction form
    79,944.96/119,895.57 = 30,021.22/x
  3. Step 3: Cross multiply
    79,944.96x = 119,895.57 × 30,021.22
  4. Step 4: Simplify right side
    79,944.96x = 3,599,411,284.00
  5. Step 5: Solve for x
    x = 3,599,411,284.00/79,944.96
  6. Step 6: Final answer
    x = 45,023.62

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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.