Home / 30,388.25-41,935.68-16,959.35

Finding the Fourth Proportional to 30,388.25, 41,935.68 and 16,959.35

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Solution

The fourth proportional to 30,388.25, 41,935.68 and 16,959.35 is: 23,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.25 : 41,935.68 = 16,959.35 : x
  2. Step 2: Convert to fraction form
    30,388.25/41,935.68 = 16,959.35/x
  3. Step 3: Cross multiply
    30,388.25x = 41,935.68 × 16,959.35
  4. Step 4: Simplify right side
    30,388.25x = 711,201,664.93
  5. Step 5: Solve for x
    x = 711,201,664.93/30,388.25
  6. Step 6: Final answer
    x = 23,403.84

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1.5x scale

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.