Home / 49,204.74-67,911.81-30,816.37

Finding the Fourth Proportional to 49,204.74, 67,911.81 and 30,816.37

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Solution

The fourth proportional to 49,204.74, 67,911.81 and 30,816.37 is: 42,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,204.74 : 67,911.81 = 30,816.37 : x
  2. Step 2: Convert to fraction form
    49,204.74/67,911.81 = 30,816.37/x
  3. Step 3: Cross multiply
    49,204.74x = 67,911.81 × 30,816.37
  4. Step 4: Simplify right side
    49,204.74x = 2,092,795,433.66
  5. Step 5: Solve for x
    x = 2,092,795,433.66/49,204.74
  6. Step 6: Final answer
    x = 42,532.39

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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.