Home / 50,348.58-69,491.10-38,390.56

Finding the Fourth Proportional to 50,348.58, 69,491.10 and 38,390.56

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Solution

The fourth proportional to 50,348.58, 69,491.10 and 38,390.56 is: 52,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.58 : 69,491.10 = 38,390.56 : x
  2. Step 2: Convert to fraction form
    50,348.58/69,491.10 = 38,390.56/x
  3. Step 3: Cross multiply
    50,348.58x = 69,491.10 × 38,390.56
  4. Step 4: Simplify right side
    50,348.58x = 2,667,802,244.02
  5. Step 5: Solve for x
    x = 2,667,802,244.02/50,348.58
  6. Step 6: Final answer
    x = 52,986.64

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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.