Home / 38,734.83-53,455.82-30,336.75

Finding the Fourth Proportional to 38,734.83, 53,455.82 and 30,336.75

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Solution

The fourth proportional to 38,734.83, 53,455.82 and 30,336.75 is: 41,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.83 : 53,455.82 = 30,336.75 : x
  2. Step 2: Convert to fraction form
    38,734.83/53,455.82 = 30,336.75/x
  3. Step 3: Cross multiply
    38,734.83x = 53,455.82 × 30,336.75
  4. Step 4: Simplify right side
    38,734.83x = 1,621,675,695.70
  5. Step 5: Solve for x
    x = 1,621,675,695.70/38,734.83
  6. Step 6: Final answer
    x = 41,866.09

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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.