Home / 42,012.97-57,965.49-25,008.64

Finding the Fourth Proportional to 42,012.97, 57,965.49 and 25,008.64

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Solution

The fourth proportional to 42,012.97, 57,965.49 and 25,008.64 is: 34,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.97 : 57,965.49 = 25,008.64 : x
  2. Step 2: Convert to fraction form
    42,012.97/57,965.49 = 25,008.64/x
  3. Step 3: Cross multiply
    42,012.97x = 57,965.49 × 25,008.64
  4. Step 4: Simplify right side
    42,012.97x = 1,449,637,926.92
  5. Step 5: Solve for x
    x = 1,449,637,926.92/42,012.97
  6. Step 6: Final answer
    x = 34,504.54

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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.