Home / 34,181.25-47,171.94-20,038.65

Finding the Fourth Proportional to 34,181.25, 47,171.94 and 20,038.65

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Solution

The fourth proportional to 34,181.25, 47,171.94 and 20,038.65 is: 27,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.25 : 47,171.94 = 20,038.65 : x
  2. Step 2: Convert to fraction form
    34,181.25/47,171.94 = 20,038.65/x
  3. Step 3: Cross multiply
    34,181.25x = 47,171.94 × 20,038.65
  4. Step 4: Simplify right side
    34,181.25x = 945,261,995.48
  5. Step 5: Solve for x
    x = 945,261,995.48/34,181.25
  6. Step 6: Final answer
    x = 27,654.40

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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.