Home / 52,169.24-71,969.64-30,940.76

Finding the Fourth Proportional to 52,169.24, 71,969.64 and 30,940.76

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Solution

The fourth proportional to 52,169.24, 71,969.64 and 30,940.76 is: 42,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,169.24 : 71,969.64 = 30,940.76 : x
  2. Step 2: Convert to fraction form
    52,169.24/71,969.64 = 30,940.76/x
  3. Step 3: Cross multiply
    52,169.24x = 71,969.64 × 30,940.76
  4. Step 4: Simplify right side
    52,169.24x = 2,226,795,358.53
  5. Step 5: Solve for x
    x = 2,226,795,358.53/52,169.24
  6. Step 6: Final answer
    x = 42,684.07

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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.