Home / 37,135.84-51,245.56-21,003.52

Finding the Fourth Proportional to 37,135.84, 51,245.56 and 21,003.52

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Solution

The fourth proportional to 37,135.84, 51,245.56 and 21,003.52 is: 28,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.84 : 51,245.56 = 21,003.52 : x
  2. Step 2: Convert to fraction form
    37,135.84/51,245.56 = 21,003.52/x
  3. Step 3: Cross multiply
    37,135.84x = 51,245.56 × 21,003.52
  4. Step 4: Simplify right side
    37,135.84x = 1,076,337,144.37
  5. Step 5: Solve for x
    x = 1,076,337,144.37/37,135.84
  6. Step 6: Final answer
    x = 28,983.78

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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.