Home / 30,079.69-41,505.62-16,650.91

Finding the Fourth Proportional to 30,079.69, 41,505.62 and 16,650.91

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Solution

The fourth proportional to 30,079.69, 41,505.62 and 16,650.91 is: 22,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.69 : 41,505.62 = 16,650.91 : x
  2. Step 2: Convert to fraction form
    30,079.69/41,505.62 = 16,650.91/x
  3. Step 3: Cross multiply
    30,079.69x = 41,505.62 × 16,650.91
  4. Step 4: Simplify right side
    30,079.69x = 691,106,343.11
  5. Step 5: Solve for x
    x = 691,106,343.11/30,079.69
  6. Step 6: Final answer
    x = 22,975.85

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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.