Home / 36,957.60-51,000.40-20,190.60

Finding the Fourth Proportional to 36,957.60, 51,000.40 and 20,190.60

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Solution

The fourth proportional to 36,957.60, 51,000.40 and 20,190.60 is: 27,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,957.60 : 51,000.40 = 20,190.60 : x
  2. Step 2: Convert to fraction form
    36,957.60/51,000.40 = 20,190.60/x
  3. Step 3: Cross multiply
    36,957.60x = 51,000.40 × 20,190.60
  4. Step 4: Simplify right side
    36,957.60x = 1,029,728,676.24
  5. Step 5: Solve for x
    x = 1,029,728,676.24/36,957.60
  6. Step 6: Final answer
    x = 27,862.43

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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.