Home / 30,207.32-41,684.34-16,777.80

Finding the Fourth Proportional to 30,207.32, 41,684.34 and 16,777.80

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Solution

The fourth proportional to 30,207.32, 41,684.34 and 16,777.80 is: 23,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.32 : 41,684.34 = 16,777.80 : x
  2. Step 2: Convert to fraction form
    30,207.32/41,684.34 = 16,777.80/x
  3. Step 3: Cross multiply
    30,207.32x = 41,684.34 × 16,777.80
  4. Step 4: Simplify right side
    30,207.32x = 699,371,519.65
  5. Step 5: Solve for x
    x = 699,371,519.65/30,207.32
  6. Step 6: Final answer
    x = 23,152.39

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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.