Home / 30,121.85-41,568.24-16,693.32

Finding the Fourth Proportional to 30,121.85, 41,568.24 and 16,693.32

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Solution

The fourth proportional to 30,121.85, 41,568.24 and 16,693.32 is: 23,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.85 : 41,568.24 = 16,693.32 : x
  2. Step 2: Convert to fraction form
    30,121.85/41,568.24 = 16,693.32/x
  3. Step 3: Cross multiply
    30,121.85x = 41,568.24 × 16,693.32
  4. Step 4: Simplify right side
    30,121.85x = 693,911,932.16
  5. Step 5: Solve for x
    x = 693,911,932.16/30,121.85
  6. Step 6: Final answer
    x = 23,036.83

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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.