Home / 47,998.98-66,239.37-26,778.60

Finding the Fourth Proportional to 47,998.98, 66,239.37 and 26,778.60

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Solution

The fourth proportional to 47,998.98, 66,239.37 and 26,778.60 is: 36,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.98 : 66,239.37 = 26,778.60 : x
  2. Step 2: Convert to fraction form
    47,998.98/66,239.37 = 26,778.60/x
  3. Step 3: Cross multiply
    47,998.98x = 66,239.37 × 26,778.60
  4. Step 4: Simplify right side
    47,998.98x = 1,773,797,593.48
  5. Step 5: Solve for x
    x = 1,773,797,593.48/47,998.98
  6. Step 6: Final answer
    x = 36,954.90

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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.