Home / 30,042.30-41,454.72-16,611.72

Finding the Fourth Proportional to 30,042.30, 41,454.72 and 16,611.72

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Solution

The fourth proportional to 30,042.30, 41,454.72 and 16,611.72 is: 22,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.30 : 41,454.72 = 16,611.72 : x
  2. Step 2: Convert to fraction form
    30,042.30/41,454.72 = 16,611.72/x
  3. Step 3: Cross multiply
    30,042.30x = 41,454.72 × 16,611.72
  4. Step 4: Simplify right side
    30,042.30x = 688,634,201.32
  5. Step 5: Solve for x
    x = 688,634,201.32/30,042.30
  6. Step 6: Final answer
    x = 22,922.15

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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.