Home / 38,070.88-57,106.32-11,775.85

Finding the Fourth Proportional to 38,070.88, 57,106.32 and 11,775.85

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Solution

The fourth proportional to 38,070.88, 57,106.32 and 11,775.85 is: 17,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.88 : 57,106.32 = 11,775.85 : x
  2. Step 2: Convert to fraction form
    38,070.88/57,106.32 = 11,775.85/x
  3. Step 3: Cross multiply
    38,070.88x = 57,106.32 × 11,775.85
  4. Step 4: Simplify right side
    38,070.88x = 672,475,458.37
  5. Step 5: Solve for x
    x = 672,475,458.37/38,070.88
  6. Step 6: Final answer
    x = 17,663.78

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Similar ratio
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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.