Home / 39,467.28-54,465.24-21,562.44

Finding the Fourth Proportional to 39,467.28, 54,465.24 and 21,562.44

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Solution

The fourth proportional to 39,467.28, 54,465.24 and 21,562.44 is: 29,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,467.28 : 54,465.24 = 21,562.44 : x
  2. Step 2: Convert to fraction form
    39,467.28/54,465.24 = 21,562.44/x
  3. Step 3: Cross multiply
    39,467.28x = 54,465.24 × 21,562.44
  4. Step 4: Simplify right side
    39,467.28x = 1,174,403,469.59
  5. Step 5: Solve for x
    x = 1,174,403,469.59/39,467.28
  6. Step 6: Final answer
    x = 29,756.38

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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.