Home / 35,636.97-53,404.43-20,021.79

Finding the Fourth Proportional to 35,636.97, 53,404.43 and 20,021.79

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Solution

The fourth proportional to 35,636.97, 53,404.43 and 20,021.79 is: 30,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.97 : 53,404.43 = 20,021.79 : x
  2. Step 2: Convert to fraction form
    35,636.97/53,404.43 = 20,021.79/x
  3. Step 3: Cross multiply
    35,636.97x = 53,404.43 × 20,021.79
  4. Step 4: Simplify right side
    35,636.97x = 1,069,252,182.42
  5. Step 5: Solve for x
    x = 1,069,252,182.42/35,636.97
  6. Step 6: Final answer
    x = 30,004.01

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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.