Home / 48,899.64-73,384.62-20,839.50

Finding the Fourth Proportional to 48,899.64, 73,384.62 and 20,839.50

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Solution

The fourth proportional to 48,899.64, 73,384.62 and 20,839.50 is: 31,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,899.64 : 73,384.62 = 20,839.50 : x
  2. Step 2: Convert to fraction form
    48,899.64/73,384.62 = 20,839.50/x
  3. Step 3: Cross multiply
    48,899.64x = 73,384.62 × 20,839.50
  4. Step 4: Simplify right side
    48,899.64x = 1,529,298,788.49
  5. Step 5: Solve for x
    x = 1,529,298,788.49/48,899.64
  6. Step 6: Final answer
    x = 31,274.23

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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.