Home / 53,745.67-80,650.91-18,709.93

Finding the Fourth Proportional to 53,745.67, 80,650.91 and 18,709.93

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Solution

The fourth proportional to 53,745.67, 80,650.91 and 18,709.93 is: 28,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,745.67 : 80,650.91 = 18,709.93 : x
  2. Step 2: Convert to fraction form
    53,745.67/80,650.91 = 18,709.93/x
  3. Step 3: Cross multiply
    53,745.67x = 80,650.91 × 18,709.93
  4. Step 4: Simplify right side
    53,745.67x = 1,508,972,957.96
  5. Step 5: Solve for x
    x = 1,508,972,957.96/53,745.67
  6. Step 6: Final answer
    x = 28,076.18

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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.