Home / 40,509.42-55,887.39-25,375.74

Finding the Fourth Proportional to 40,509.42, 55,887.39 and 25,375.74

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Solution

The fourth proportional to 40,509.42, 55,887.39 and 25,375.74 is: 35,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.42 : 55,887.39 = 25,375.74 : x
  2. Step 2: Convert to fraction form
    40,509.42/55,887.39 = 25,375.74/x
  3. Step 3: Cross multiply
    40,509.42x = 55,887.39 × 25,375.74
  4. Step 4: Simplify right side
    40,509.42x = 1,418,183,877.92
  5. Step 5: Solve for x
    x = 1,418,183,877.92/40,509.42
  6. Step 6: Final answer
    x = 35,008.74

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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.