Home / 36,455.36-54,683.02-20,861.96

Finding the Fourth Proportional to 36,455.36, 54,683.02 and 20,861.96

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Solution

The fourth proportional to 36,455.36, 54,683.02 and 20,861.96 is: 31,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.36 : 54,683.02 = 20,861.96 : x
  2. Step 2: Convert to fraction form
    36,455.36/54,683.02 = 20,861.96/x
  3. Step 3: Cross multiply
    36,455.36x = 54,683.02 × 20,861.96
  4. Step 4: Simplify right side
    36,455.36x = 1,140,794,975.92
  5. Step 5: Solve for x
    x = 1,140,794,975.92/36,455.36
  6. Step 6: Final answer
    x = 31,292.93

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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.