Home / 37,817.57-52,181.66-21,899.45

Finding the Fourth Proportional to 37,817.57, 52,181.66 and 21,899.45

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Solution

The fourth proportional to 37,817.57, 52,181.66 and 21,899.45 is: 30,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.57 : 52,181.66 = 21,899.45 : x
  2. Step 2: Convert to fraction form
    37,817.57/52,181.66 = 21,899.45/x
  3. Step 3: Cross multiply
    37,817.57x = 52,181.66 × 21,899.45
  4. Step 4: Simplify right side
    37,817.57x = 1,142,749,283.68
  5. Step 5: Solve for x
    x = 1,142,749,283.68/37,817.57
  6. Step 6: Final answer
    x = 30,217.42

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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.