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Finding the Fourth Proportional to 37,489.60, 56,234.40 and 33,342.40

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Solution

The fourth proportional to 37,489.60, 56,234.40 and 33,342.40 is: 50,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489.60 : 56,234.40 = 33,342.40 : x
  2. Step 2: Convert to fraction form
    37,489.60/56,234.40 = 33,342.40/x
  3. Step 3: Cross multiply
    37,489.60x = 56,234.40 × 33,342.40
  4. Step 4: Simplify right side
    37,489.60x = 1,874,989,858.56
  5. Step 5: Solve for x
    x = 1,874,989,858.56/37,489.60
  6. Step 6: Final answer
    x = 50,013.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.