Home / 50,912.12-76,339.02-19,710.92

Finding the Fourth Proportional to 50,912.12, 76,339.02 and 19,710.92

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Solution

The fourth proportional to 50,912.12, 76,339.02 and 19,710.92 is: 29,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.12 : 76,339.02 = 19,710.92 : x
  2. Step 2: Convert to fraction form
    50,912.12/76,339.02 = 19,710.92/x
  3. Step 3: Cross multiply
    50,912.12x = 76,339.02 × 19,710.92
  4. Step 4: Simplify right side
    50,912.12x = 1,504,712,316.10
  5. Step 5: Solve for x
    x = 1,504,712,316.10/50,912.12
  6. Step 6: Final answer
    x = 29,555.09

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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.