Home / 29,140.96-43,685.52-10,668.64

Finding the Fourth Proportional to 29,140.96, 43,685.52 and 10,668.64

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Solution

The fourth proportional to 29,140.96, 43,685.52 and 10,668.64 is: 15,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.96 : 43,685.52 = 10,668.64 : x
  2. Step 2: Convert to fraction form
    29,140.96/43,685.52 = 10,668.64/x
  3. Step 3: Cross multiply
    29,140.96x = 43,685.52 × 10,668.64
  4. Step 4: Simplify right side
    29,140.96x = 466,065,086.09
  5. Step 5: Solve for x
    x = 466,065,086.09/29,140.96
  6. Step 6: Final answer
    x = 15,993.47

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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.