Home / 39,469.13-54,466.77-21,563.75

Finding the Fourth Proportional to 39,469.13, 54,466.77 and 21,563.75

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Solution

The fourth proportional to 39,469.13, 54,466.77 and 21,563.75 is: 29,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.13 : 54,466.77 = 21,563.75 : x
  2. Step 2: Convert to fraction form
    39,469.13/54,466.77 = 21,563.75/x
  3. Step 3: Cross multiply
    39,469.13x = 54,466.77 × 21,563.75
  4. Step 4: Simplify right side
    39,469.13x = 1,174,507,866.89
  5. Step 5: Solve for x
    x = 1,174,507,866.89/39,469.13
  6. Step 6: Final answer
    x = 29,757.63

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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.