Home / 29,428.44-40,620.14-20,002.46

Finding the Fourth Proportional to 29,428.44, 40,620.14 and 20,002.46

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Solution

The fourth proportional to 29,428.44, 40,620.14 and 20,002.46 is: 27,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.44 : 40,620.14 = 20,002.46 : x
  2. Step 2: Convert to fraction form
    29,428.44/40,620.14 = 20,002.46/x
  3. Step 3: Cross multiply
    29,428.44x = 40,620.14 × 20,002.46
  4. Step 4: Simplify right side
    29,428.44x = 812,502,725.54
  5. Step 5: Solve for x
    x = 812,502,725.54/29,428.44
  6. Step 6: Final answer
    x = 27,609.44

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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.