Home / 29,749.59-40,975.60-22,171.68

Finding the Fourth Proportional to 29,749.59, 40,975.60 and 22,171.68

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Solution

The fourth proportional to 29,749.59, 40,975.60 and 22,171.68 is: 30,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,749.59 : 40,975.60 = 22,171.68 : x
  2. Step 2: Convert to fraction form
    29,749.59/40,975.60 = 22,171.68/x
  3. Step 3: Cross multiply
    29,749.59x = 40,975.60 × 22,171.68
  4. Step 4: Simplify right side
    29,749.59x = 908,497,891.01
  5. Step 5: Solve for x
    x = 908,497,891.01/29,749.59
  6. Step 6: Final answer
    x = 30,538.17

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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.