Home / 49,775.41-74,661.75-21,695.45

Finding the Fourth Proportional to 49,775.41, 74,661.75 and 21,695.45

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Solution

The fourth proportional to 49,775.41, 74,661.75 and 21,695.45 is: 32,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775.41 : 74,661.75 = 21,695.45 : x
  2. Step 2: Convert to fraction form
    49,775.41/74,661.75 = 21,695.45/x
  3. Step 3: Cross multiply
    49,775.41x = 74,661.75 × 21,695.45
  4. Step 4: Simplify right side
    49,775.41x = 1,619,819,890.73
  5. Step 5: Solve for x
    x = 1,619,819,890.73/49,775.41
  6. Step 6: Final answer
    x = 32,542.57

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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.