Home / 41,780.07-57,667.28-25,855.47

Finding the Fourth Proportional to 41,780.07, 57,667.28 and 25,855.47

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Solution

The fourth proportional to 41,780.07, 57,667.28 and 25,855.47 is: 35,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.07 : 57,667.28 = 25,855.47 : x
  2. Step 2: Convert to fraction form
    41,780.07/57,667.28 = 25,855.47/x
  3. Step 3: Cross multiply
    41,780.07x = 57,667.28 × 25,855.47
  4. Step 4: Simplify right side
    41,780.07x = 1,491,014,498.74
  5. Step 5: Solve for x
    x = 1,491,014,498.74/41,780.07
  6. Step 6: Final answer
    x = 35,687.22

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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.