Home / 42,010.14-57,961.56-25,000.75

Finding the Fourth Proportional to 42,010.14, 57,961.56 and 25,000.75

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Solution

The fourth proportional to 42,010.14, 57,961.56 and 25,000.75 is: 34,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,010.14 : 57,961.56 = 25,000.75 : x
  2. Step 2: Convert to fraction form
    42,010.14/57,961.56 = 25,000.75/x
  3. Step 3: Cross multiply
    42,010.14x = 57,961.56 × 25,000.75
  4. Step 4: Simplify right side
    42,010.14x = 1,449,082,471.17
  5. Step 5: Solve for x
    x = 1,449,082,471.17/42,010.14
  6. Step 6: Final answer
    x = 34,493.64

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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.