Home / 48,975.15-73,490.41-20,892.55

Finding the Fourth Proportional to 48,975.15, 73,490.41 and 20,892.55

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Solution

The fourth proportional to 48,975.15, 73,490.41 and 20,892.55 is: 31,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,975.15 : 73,490.41 = 20,892.55 : x
  2. Step 2: Convert to fraction form
    48,975.15/73,490.41 = 20,892.55/x
  3. Step 3: Cross multiply
    48,975.15x = 73,490.41 × 20,892.55
  4. Step 4: Simplify right side
    48,975.15x = 1,535,401,928.11
  5. Step 5: Solve for x
    x = 1,535,401,928.11/48,975.15
  6. Step 6: Final answer
    x = 31,350.63

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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.