Home / 79,943.96-119,894.07-30,020.22

Finding the Fourth Proportional to 79,943.96, 119,894.07 and 30,020.22

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Solution

The fourth proportional to 79,943.96, 119,894.07 and 30,020.22 is: 45,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,943.96 : 119,894.07 = 30,020.22 : x
  2. Step 2: Convert to fraction form
    79,943.96/119,894.07 = 30,020.22/x
  3. Step 3: Cross multiply
    79,943.96x = 119,894.07 × 30,020.22
  4. Step 4: Simplify right side
    79,943.96x = 3,599,246,470.67
  5. Step 5: Solve for x
    x = 3,599,246,470.67/79,943.96
  6. Step 6: Final answer
    x = 45,022.12

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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.