Home / 30,119.14-41,564.65-16,690.61

Finding the Fourth Proportional to 30,119.14, 41,564.65 and 16,690.61

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Solution

The fourth proportional to 30,119.14, 41,564.65 and 16,690.61 is: 23,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.14 : 41,564.65 = 16,690.61 : x
  2. Step 2: Convert to fraction form
    30,119.14/41,564.65 = 16,690.61/x
  3. Step 3: Cross multiply
    30,119.14x = 41,564.65 × 16,690.61
  4. Step 4: Simplify right side
    30,119.14x = 693,739,362.94
  5. Step 5: Solve for x
    x = 693,739,362.94/30,119.14
  6. Step 6: Final answer
    x = 23,033.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.