Home / 38,292.78-52,843.47-21,525.66

Finding the Fourth Proportional to 38,292.78, 52,843.47 and 21,525.66

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Solution

The fourth proportional to 38,292.78, 52,843.47 and 21,525.66 is: 29,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.78 : 52,843.47 = 21,525.66 : x
  2. Step 2: Convert to fraction form
    38,292.78/52,843.47 = 21,525.66/x
  3. Step 3: Cross multiply
    38,292.78x = 52,843.47 × 21,525.66
  4. Step 4: Simplify right side
    38,292.78x = 1,137,490,568.44
  5. Step 5: Solve for x
    x = 1,137,490,568.44/38,292.78
  6. Step 6: Final answer
    x = 29,705.09

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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.