Home / 38,010.78-52,453.17-21,876.84

Finding the Fourth Proportional to 38,010.78, 52,453.17 and 21,876.84

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Solution

The fourth proportional to 38,010.78, 52,453.17 and 21,876.84 is: 30,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.78 : 52,453.17 = 21,876.84 : x
  2. Step 2: Convert to fraction form
    38,010.78/52,453.17 = 21,876.84/x
  3. Step 3: Cross multiply
    38,010.78x = 52,453.17 × 21,876.84
  4. Step 4: Simplify right side
    38,010.78x = 1,147,509,607.58
  5. Step 5: Solve for x
    x = 1,147,509,607.58/38,010.78
  6. Step 6: Final answer
    x = 30,189.06

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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.