Home / 38,040.88-52,492.38-21,042.43

Finding the Fourth Proportional to 38,040.88, 52,492.38 and 21,042.43

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Solution

The fourth proportional to 38,040.88, 52,492.38 and 21,042.43 is: 29,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.88 : 52,492.38 = 21,042.43 : x
  2. Step 2: Convert to fraction form
    38,040.88/52,492.38 = 21,042.43/x
  3. Step 3: Cross multiply
    38,040.88x = 52,492.38 × 21,042.43
  4. Step 4: Simplify right side
    38,040.88x = 1,104,567,231.68
  5. Step 5: Solve for x
    x = 1,104,567,231.68/38,040.88
  6. Step 6: Final answer
    x = 29,036.32

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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.