Home / 49,607.20-74,315.76-47,939.68

Finding the Fourth Proportional to 49,607.20, 74,315.76 and 47,939.68

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Solution

The fourth proportional to 49,607.20, 74,315.76 and 47,939.68 is: 71,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,607.20 : 74,315.76 = 47,939.68 : x
  2. Step 2: Convert to fraction form
    49,607.20/74,315.76 = 47,939.68/x
  3. Step 3: Cross multiply
    49,607.20x = 74,315.76 × 47,939.68
  4. Step 4: Simplify right side
    49,607.20x = 3,562,673,753.36
  5. Step 5: Solve for x
    x = 3,562,673,753.36/49,607.20
  6. Step 6: Final answer
    x = 71,817.67

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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.