Home / 40,499.08-55,889.83-25,390.32

Finding the Fourth Proportional to 40,499.08, 55,889.83 and 25,390.32

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Solution

The fourth proportional to 40,499.08, 55,889.83 and 25,390.32 is: 35,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,499.08 : 55,889.83 = 25,390.32 : x
  2. Step 2: Convert to fraction form
    40,499.08/55,889.83 = 25,390.32/x
  3. Step 3: Cross multiply
    40,499.08x = 55,889.83 × 25,390.32
  4. Step 4: Simplify right side
    40,499.08x = 1,419,060,668.45
  5. Step 5: Solve for x
    x = 1,419,060,668.45/40,499.08
  6. Step 6: Final answer
    x = 35,039.33

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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.