Home / 30,387.42-41,934.26-16,961.99

Finding the Fourth Proportional to 30,387.42, 41,934.26 and 16,961.99

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Solution

The fourth proportional to 30,387.42, 41,934.26 and 16,961.99 is: 23,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.42 : 41,934.26 = 16,961.99 : x
  2. Step 2: Convert to fraction form
    30,387.42/41,934.26 = 16,961.99/x
  3. Step 3: Cross multiply
    30,387.42x = 41,934.26 × 16,961.99
  4. Step 4: Simplify right side
    30,387.42x = 711,288,331.51
  5. Step 5: Solve for x
    x = 711,288,331.51/30,387.42
  6. Step 6: Final answer
    x = 23,407.33

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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.