Home / 39,372.91-54,333.64-21,468.27

Finding the Fourth Proportional to 39,372.91, 54,333.64 and 21,468.27

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Solution

The fourth proportional to 39,372.91, 54,333.64 and 21,468.27 is: 29,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.91 : 54,333.64 = 21,468.27 : x
  2. Step 2: Convert to fraction form
    39,372.91/54,333.64 = 21,468.27/x
  3. Step 3: Cross multiply
    39,372.91x = 54,333.64 × 21,468.27
  4. Step 4: Simplify right side
    39,372.91x = 1,166,449,253.60
  5. Step 5: Solve for x
    x = 1,166,449,253.60/39,372.91
  6. Step 6: Final answer
    x = 29,625.68

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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.