Home / 39,367.53-54,327.90-21,463.29

Finding the Fourth Proportional to 39,367.53, 54,327.90 and 21,463.29

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Solution

The fourth proportional to 39,367.53, 54,327.90 and 21,463.29 is: 29,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.53 : 54,327.90 = 21,463.29 : x
  2. Step 2: Convert to fraction form
    39,367.53/54,327.90 = 21,463.29/x
  3. Step 3: Cross multiply
    39,367.53x = 54,327.90 × 21,463.29
  4. Step 4: Simplify right side
    39,367.53x = 1,166,055,553.28
  5. Step 5: Solve for x
    x = 1,166,055,553.28/39,367.53
  6. Step 6: Final answer
    x = 29,619.73

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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.