Home / 39,525.13-54,544.35-21,620.26

Finding the Fourth Proportional to 39,525.13, 54,544.35 and 21,620.26

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Solution

The fourth proportional to 39,525.13, 54,544.35 and 21,620.26 is: 29,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,525.13 : 54,544.35 = 21,620.26 : x
  2. Step 2: Convert to fraction form
    39,525.13/54,544.35 = 21,620.26/x
  3. Step 3: Cross multiply
    39,525.13x = 54,544.35 × 21,620.26
  4. Step 4: Simplify right side
    39,525.13x = 1,179,263,028.53
  5. Step 5: Solve for x
    x = 1,179,263,028.53/39,525.13
  6. Step 6: Final answer
    x = 29,835.78

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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.