Home / 39,469.55-54,465.62-21,560.99

Finding the Fourth Proportional to 39,469.55, 54,465.62 and 21,560.99

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Solution

The fourth proportional to 39,469.55, 54,465.62 and 21,560.99 is: 29,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.55 : 54,465.62 = 21,560.99 : x
  2. Step 2: Convert to fraction form
    39,469.55/54,465.62 = 21,560.99/x
  3. Step 3: Cross multiply
    39,469.55x = 54,465.62 × 21,560.99
  4. Step 4: Simplify right side
    39,469.55x = 1,174,332,308.03
  5. Step 5: Solve for x
    x = 1,174,332,308.03/39,469.55
  6. Step 6: Final answer
    x = 29,752.87

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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.