Home / 39,650.24-54,717.33-21,745.62

Finding the Fourth Proportional to 39,650.24, 54,717.33 and 21,745.62

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Solution

The fourth proportional to 39,650.24, 54,717.33 and 21,745.62 is: 30,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.24 : 54,717.33 = 21,745.62 : x
  2. Step 2: Convert to fraction form
    39,650.24/54,717.33 = 21,745.62/x
  3. Step 3: Cross multiply
    39,650.24x = 54,717.33 × 21,745.62
  4. Step 4: Simplify right side
    39,650.24x = 1,189,862,347.14
  5. Step 5: Solve for x
    x = 1,189,862,347.14/39,650.24
  6. Step 6: Final answer
    x = 30,008.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.