Home / 29,329.13-43,993.24-7,142.47

Finding the Fourth Proportional to 29,329.13, 43,993.24 and 7,142.47

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Solution

The fourth proportional to 29,329.13, 43,993.24 and 7,142.47 is: 10,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.13 : 43,993.24 = 7,142.47 : x
  2. Step 2: Convert to fraction form
    29,329.13/43,993.24 = 7,142.47/x
  3. Step 3: Cross multiply
    29,329.13x = 43,993.24 × 7,142.47
  4. Step 4: Simplify right side
    29,329.13x = 314,220,141.22
  5. Step 5: Solve for x
    x = 314,220,141.22/29,329.13
  6. Step 6: Final answer
    x = 10,713.59

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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.