Home / 38,243.43-52,775.55-21,016.08

Finding the Fourth Proportional to 38,243.43, 52,775.55 and 21,016.08

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Solution

The fourth proportional to 38,243.43, 52,775.55 and 21,016.08 is: 29,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.43 : 52,775.55 = 21,016.08 : x
  2. Step 2: Convert to fraction form
    38,243.43/52,775.55 = 21,016.08/x
  3. Step 3: Cross multiply
    38,243.43x = 52,775.55 × 21,016.08
  4. Step 4: Simplify right side
    38,243.43x = 1,109,135,180.84
  5. Step 5: Solve for x
    x = 1,109,135,180.84/38,243.43
  6. Step 6: Final answer
    x = 29,001.98

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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.