Home / 38,054.78-52,514.31-21,059.75

Finding the Fourth Proportional to 38,054.78, 52,514.31 and 21,059.75

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Solution

The fourth proportional to 38,054.78, 52,514.31 and 21,059.75 is: 29,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,054.78 : 52,514.31 = 21,059.75 : x
  2. Step 2: Convert to fraction form
    38,054.78/52,514.31 = 21,059.75/x
  3. Step 3: Cross multiply
    38,054.78x = 52,514.31 × 21,059.75
  4. Step 4: Simplify right side
    38,054.78x = 1,105,937,977.45
  5. Step 5: Solve for x
    x = 1,105,937,977.45/38,054.78
  6. Step 6: Final answer
    x = 29,061.73

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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.