Home / 30,000.69-41,400.68-16,571.91

Finding the Fourth Proportional to 30,000.69, 41,400.68 and 16,571.91

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Solution

The fourth proportional to 30,000.69, 41,400.68 and 16,571.91 is: 22,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.69 : 41,400.68 = 16,571.91 : x
  2. Step 2: Convert to fraction form
    30,000.69/41,400.68 = 16,571.91/x
  3. Step 3: Cross multiply
    30,000.69x = 41,400.68 × 16,571.91
  4. Step 4: Simplify right side
    30,000.69x = 686,088,202.83
  5. Step 5: Solve for x
    x = 686,088,202.83/30,000.69
  6. Step 6: Final answer
    x = 22,869.08

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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.