Home / 40,590.28-55,978.28-25,484.33

Finding the Fourth Proportional to 40,590.28, 55,978.28 and 25,484.33

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Solution

The fourth proportional to 40,590.28, 55,978.28 and 25,484.33 is: 35,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,590.28 : 55,978.28 = 25,484.33 : x
  2. Step 2: Convert to fraction form
    40,590.28/55,978.28 = 25,484.33/x
  3. Step 3: Cross multiply
    40,590.28x = 55,978.28 × 25,484.33
  4. Step 4: Simplify right side
    40,590.28x = 1,426,568,832.93
  5. Step 5: Solve for x
    x = 1,426,568,832.93/40,590.28
  6. Step 6: Final answer
    x = 35,145.58

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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.