Home / 49,428.87-73,970.91-40,440.30

Finding the Fourth Proportional to 49,428.87, 73,970.91 and 40,440.30

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Solution

The fourth proportional to 49,428.87, 73,970.91 and 40,440.30 is: 60,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.87 : 73,970.91 = 40,440.30 : x
  2. Step 2: Convert to fraction form
    49,428.87/73,970.91 = 40,440.30/x
  3. Step 3: Cross multiply
    49,428.87x = 73,970.91 × 40,440.30
  4. Step 4: Simplify right side
    49,428.87x = 2,991,405,791.67
  5. Step 5: Solve for x
    x = 2,991,405,791.67/49,428.87
  6. Step 6: Final answer
    x = 60,519.40

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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.