Home / 30,049.22-41,465.13-16,620.18

Finding the Fourth Proportional to 30,049.22, 41,465.13 and 16,620.18

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Solution

The fourth proportional to 30,049.22, 41,465.13 and 16,620.18 is: 22,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.22 : 41,465.13 = 16,620.18 : x
  2. Step 2: Convert to fraction form
    30,049.22/41,465.13 = 16,620.18/x
  3. Step 3: Cross multiply
    30,049.22x = 41,465.13 × 16,620.18
  4. Step 4: Simplify right side
    30,049.22x = 689,158,161.60
  5. Step 5: Solve for x
    x = 689,158,161.60/30,049.22
  6. Step 6: Final answer
    x = 22,934.31

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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.