Home / 38,292.80-52,843.56-21,297.20

Finding the Fourth Proportional to 38,292.80, 52,843.56 and 21,297.20

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Solution

The fourth proportional to 38,292.80, 52,843.56 and 21,297.20 is: 29,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.80 : 52,843.56 = 21,297.20 : x
  2. Step 2: Convert to fraction form
    38,292.80/52,843.56 = 21,297.20/x
  3. Step 3: Cross multiply
    38,292.80x = 52,843.56 × 21,297.20
  4. Step 4: Simplify right side
    38,292.80x = 1,125,419,866.03
  5. Step 5: Solve for x
    x = 1,125,419,866.03/38,292.80
  6. Step 6: Final answer
    x = 29,389.86

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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.