Home / 50,629.68-69,869.16-28,273.68

Finding the Fourth Proportional to 50,629.68, 69,869.16 and 28,273.68

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Solution

The fourth proportional to 50,629.68, 69,869.16 and 28,273.68 is: 39,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,629.68 : 69,869.16 = 28,273.68 : x
  2. Step 2: Convert to fraction form
    50,629.68/69,869.16 = 28,273.68/x
  3. Step 3: Cross multiply
    50,629.68x = 69,869.16 × 28,273.68
  4. Step 4: Simplify right side
    50,629.68x = 1,975,458,271.71
  5. Step 5: Solve for x
    x = 1,975,458,271.71/50,629.68
  6. Step 6: Final answer
    x = 39,017.79

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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.