Home / 40,405.74-55,733.21-25,272.14

Finding the Fourth Proportional to 40,405.74, 55,733.21 and 25,272.14

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Solution

The fourth proportional to 40,405.74, 55,733.21 and 25,272.14 is: 34,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.74 : 55,733.21 = 25,272.14 : x
  2. Step 2: Convert to fraction form
    40,405.74/55,733.21 = 25,272.14/x
  3. Step 3: Cross multiply
    40,405.74x = 55,733.21 × 25,272.14
  4. Step 4: Simplify right side
    40,405.74x = 1,408,497,317.67
  5. Step 5: Solve for x
    x = 1,408,497,317.67/40,405.74
  6. Step 6: Final answer
    x = 34,858.85

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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.