Home / 30,079.98-41,509.87-16,650.95

Finding the Fourth Proportional to 30,079.98, 41,509.87 and 16,650.95

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Solution

The fourth proportional to 30,079.98, 41,509.87 and 16,650.95 is: 22,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.98 : 41,509.87 = 16,650.95 : x
  2. Step 2: Convert to fraction form
    30,079.98/41,509.87 = 16,650.95/x
  3. Step 3: Cross multiply
    30,079.98x = 41,509.87 × 16,650.95
  4. Step 4: Simplify right side
    30,079.98x = 691,178,769.88
  5. Step 5: Solve for x
    x = 691,178,769.88/30,079.98
  6. Step 6: Final answer
    x = 22,978.03

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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.