Home / 39,372.21-54,333.89-21,467.51

Finding the Fourth Proportional to 39,372.21, 54,333.89 and 21,467.51

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Solution

The fourth proportional to 39,372.21, 54,333.89 and 21,467.51 is: 29,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.21 : 54,333.89 = 21,467.51 : x
  2. Step 2: Convert to fraction form
    39,372.21/54,333.89 = 21,467.51/x
  3. Step 3: Cross multiply
    39,372.21x = 54,333.89 × 21,467.51
  4. Step 4: Simplify right side
    39,372.21x = 1,166,412,947.91
  5. Step 5: Solve for x
    x = 1,166,412,947.91/39,372.21
  6. Step 6: Final answer
    x = 29,625.29

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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.