Home / 50,715.98-69,986.58-28,055.88

Finding the Fourth Proportional to 50,715.98, 69,986.58 and 28,055.88

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Solution

The fourth proportional to 50,715.98, 69,986.58 and 28,055.88 is: 38,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,715.98 : 69,986.58 = 28,055.88 : x
  2. Step 2: Convert to fraction form
    50,715.98/69,986.58 = 28,055.88/x
  3. Step 3: Cross multiply
    50,715.98x = 69,986.58 × 28,055.88
  4. Step 4: Simplify right side
    50,715.98x = 1,963,535,090.09
  5. Step 5: Solve for x
    x = 1,963,535,090.09/50,715.98
  6. Step 6: Final answer
    x = 38,716.30

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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.