Home / 53,622.25-80,438.85-18,561.81

Finding the Fourth Proportional to 53,622.25, 80,438.85 and 18,561.81

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Solution

The fourth proportional to 53,622.25, 80,438.85 and 18,561.81 is: 27,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,622.25 : 80,438.85 = 18,561.81 : x
  2. Step 2: Convert to fraction form
    53,622.25/80,438.85 = 18,561.81/x
  3. Step 3: Cross multiply
    53,622.25x = 80,438.85 × 18,561.81
  4. Step 4: Simplify right side
    53,622.25x = 1,493,090,650.32
  5. Step 5: Solve for x
    x = 1,493,090,650.32/53,622.25
  6. Step 6: Final answer
    x = 27,844.61

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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.