Home / 37,270.21-51,433.39-21,354.63

Finding the Fourth Proportional to 37,270.21, 51,433.39 and 21,354.63

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Solution

The fourth proportional to 37,270.21, 51,433.39 and 21,354.63 is: 29,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.21 : 51,433.39 = 21,354.63 : x
  2. Step 2: Convert to fraction form
    37,270.21/51,433.39 = 21,354.63/x
  3. Step 3: Cross multiply
    37,270.21x = 51,433.39 × 21,354.63
  4. Step 4: Simplify right side
    37,270.21x = 1,098,341,013.10
  5. Step 5: Solve for x
    x = 1,098,341,013.10/37,270.21
  6. Step 6: Final answer
    x = 29,469.68

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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.