Home / 38,043.93-52,504.55-21,911.78

Finding the Fourth Proportional to 38,043.93, 52,504.55 and 21,911.78

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Solution

The fourth proportional to 38,043.93, 52,504.55 and 21,911.78 is: 30,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.93 : 52,504.55 = 21,911.78 : x
  2. Step 2: Convert to fraction form
    38,043.93/52,504.55 = 21,911.78/x
  3. Step 3: Cross multiply
    38,043.93x = 52,504.55 × 21,911.78
  4. Step 4: Simplify right side
    38,043.93x = 1,150,467,776.52
  5. Step 5: Solve for x
    x = 1,150,467,776.52/38,043.93
  6. Step 6: Final answer
    x = 30,240.51

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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.