Home / 30,412.88-41,967.66-16,800.32

Finding the Fourth Proportional to 30,412.88, 41,967.66 and 16,800.32

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Solution

The fourth proportional to 30,412.88, 41,967.66 and 16,800.32 is: 23,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.88 : 41,967.66 = 16,800.32 : x
  2. Step 2: Convert to fraction form
    30,412.88/41,967.66 = 16,800.32/x
  3. Step 3: Cross multiply
    30,412.88x = 41,967.66 × 16,800.32
  4. Step 4: Simplify right side
    30,412.88x = 705,070,117.65
  5. Step 5: Solve for x
    x = 705,070,117.65/30,412.88
  6. Step 6: Final answer
    x = 23,183.27

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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.