Home / 38,818.34-58,221.84-19,091.60

Finding the Fourth Proportional to 38,818.34, 58,221.84 and 19,091.60

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Solution

The fourth proportional to 38,818.34, 58,221.84 and 19,091.60 is: 28,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.34 : 58,221.84 = 19,091.60 : x
  2. Step 2: Convert to fraction form
    38,818.34/58,221.84 = 19,091.60/x
  3. Step 3: Cross multiply
    38,818.34x = 58,221.84 × 19,091.60
  4. Step 4: Simplify right side
    38,818.34x = 1,111,548,080.54
  5. Step 5: Solve for x
    x = 1,111,548,080.54/38,818.34
  6. Step 6: Final answer
    x = 28,634.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.