Home / 49,880.88-74,835.38-20,319.93

Finding the Fourth Proportional to 49,880.88, 74,835.38 and 20,319.93

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Solution

The fourth proportional to 49,880.88, 74,835.38 and 20,319.93 is: 30,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,880.88 : 74,835.38 = 20,319.93 : x
  2. Step 2: Convert to fraction form
    49,880.88/74,835.38 = 20,319.93/x
  3. Step 3: Cross multiply
    49,880.88x = 74,835.38 × 20,319.93
  4. Step 4: Simplify right side
    49,880.88x = 1,520,649,683.12
  5. Step 5: Solve for x
    x = 1,520,649,683.12/49,880.88
  6. Step 6: Final answer
    x = 30,485.62

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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.