Home / 51,940.96-71,673.24-30,716.08

Finding the Fourth Proportional to 51,940.96, 71,673.24 and 30,716.08

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Solution

The fourth proportional to 51,940.96, 71,673.24 and 30,716.08 is: 42,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,940.96 : 71,673.24 = 30,716.08 : x
  2. Step 2: Convert to fraction form
    51,940.96/71,673.24 = 30,716.08/x
  3. Step 3: Cross multiply
    51,940.96x = 71,673.24 × 30,716.08
  4. Step 4: Simplify right side
    51,940.96x = 2,201,520,973.70
  5. Step 5: Solve for x
    x = 2,201,520,973.70/51,940.96
  6. Step 6: Final answer
    x = 42,385.07

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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.