Home / 30,080.48-41,510.57-16,651.45

Finding the Fourth Proportional to 30,080.48, 41,510.57 and 16,651.45

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Solution

The fourth proportional to 30,080.48, 41,510.57 and 16,651.45 is: 22,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.48 : 41,510.57 = 16,651.45 : x
  2. Step 2: Convert to fraction form
    30,080.48/41,510.57 = 16,651.45/x
  3. Step 3: Cross multiply
    30,080.48x = 41,510.57 × 16,651.45
  4. Step 4: Simplify right side
    30,080.48x = 691,211,097.57
  5. Step 5: Solve for x
    x = 691,211,097.57/30,080.48
  6. Step 6: Final answer
    x = 22,978.73

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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.