Home / 33,037.47-45,629.55-21,757.39

Finding the Fourth Proportional to 33,037.47, 45,629.55 and 21,757.39

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Solution

The fourth proportional to 33,037.47, 45,629.55 and 21,757.39 is: 30,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,037.47 : 45,629.55 = 21,757.39 : x
  2. Step 2: Convert to fraction form
    33,037.47/45,629.55 = 21,757.39/x
  3. Step 3: Cross multiply
    33,037.47x = 45,629.55 × 21,757.39
  4. Step 4: Simplify right side
    33,037.47x = 992,779,914.87
  5. Step 5: Solve for x
    x = 992,779,914.87/33,037.47
  6. Step 6: Final answer
    x = 30,050.12

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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.