Home / 39,372.96-54,333.50-21,468.32

Finding the Fourth Proportional to 39,372.96, 54,333.50 and 21,468.32

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Solution

The fourth proportional to 39,372.96, 54,333.50 and 21,468.32 is: 29,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.96 : 54,333.50 = 21,468.32 : x
  2. Step 2: Convert to fraction form
    39,372.96/54,333.50 = 21,468.32/x
  3. Step 3: Cross multiply
    39,372.96x = 54,333.50 × 21,468.32
  4. Step 4: Simplify right side
    39,372.96x = 1,166,448,693.05
  5. Step 5: Solve for x
    x = 1,166,448,693.05/39,372.96
  6. Step 6: Final answer
    x = 29,625.63

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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.