Home / 30,051.53-41,480.97-21,101.26

Finding the Fourth Proportional to 30,051.53, 41,480.97 and 21,101.26

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Solution

The fourth proportional to 30,051.53, 41,480.97 and 21,101.26 is: 29,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.53 : 41,480.97 = 21,101.26 : x
  2. Step 2: Convert to fraction form
    30,051.53/41,480.97 = 21,101.26/x
  3. Step 3: Cross multiply
    30,051.53x = 41,480.97 × 21,101.26
  4. Step 4: Simplify right side
    30,051.53x = 875,300,525.62
  5. Step 5: Solve for x
    x = 875,300,525.62/30,051.53
  6. Step 6: Final answer
    x = 29,126.65

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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.