Home / 38,072.48-52,540.72-21,305.44

Finding the Fourth Proportional to 38,072.48, 52,540.72 and 21,305.44

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Solution

The fourth proportional to 38,072.48, 52,540.72 and 21,305.44 is: 29,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.48 : 52,540.72 = 21,305.44 : x
  2. Step 2: Convert to fraction form
    38,072.48/52,540.72 = 21,305.44/x
  3. Step 3: Cross multiply
    38,072.48x = 52,540.72 × 21,305.44
  4. Step 4: Simplify right side
    38,072.48x = 1,119,403,157.52
  5. Step 5: Solve for x
    x = 1,119,403,157.52/38,072.48
  6. Step 6: Final answer
    x = 29,401.90

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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.