Home / 39,468.56-54,467.42-21,564.72

Finding the Fourth Proportional to 39,468.56, 54,467.42 and 21,564.72

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Solution

The fourth proportional to 39,468.56, 54,467.42 and 21,564.72 is: 29,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.56 : 54,467.42 = 21,564.72 : x
  2. Step 2: Convert to fraction form
    39,468.56/54,467.42 = 21,564.72/x
  3. Step 3: Cross multiply
    39,468.56x = 54,467.42 × 21,564.72
  4. Step 4: Simplify right side
    39,468.56x = 1,174,574,553.60
  5. Step 5: Solve for x
    x = 1,174,574,553.60/39,468.56
  6. Step 6: Final answer
    x = 29,759.76

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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.