Home / 39,277.24-54,202.33-21,372.31

Finding the Fourth Proportional to 39,277.24, 54,202.33 and 21,372.31

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Solution

The fourth proportional to 39,277.24, 54,202.33 and 21,372.31 is: 29,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.24 : 54,202.33 = 21,372.31 : x
  2. Step 2: Convert to fraction form
    39,277.24/54,202.33 = 21,372.31/x
  3. Step 3: Cross multiply
    39,277.24x = 54,202.33 × 21,372.31
  4. Step 4: Simplify right side
    39,277.24x = 1,158,428,810.55
  5. Step 5: Solve for x
    x = 1,158,428,810.55/39,277.24
  6. Step 6: Final answer
    x = 29,493.64

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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.