Home / 40,458.72-55,837.12-22,556.64

Finding the Fourth Proportional to 40,458.72, 55,837.12 and 22,556.64

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Solution

The fourth proportional to 40,458.72, 55,837.12 and 22,556.64 is: 31,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.72 : 55,837.12 = 22,556.64 : x
  2. Step 2: Convert to fraction form
    40,458.72/55,837.12 = 22,556.64/x
  3. Step 3: Cross multiply
    40,458.72x = 55,837.12 × 22,556.64
  4. Step 4: Simplify right side
    40,458.72x = 1,259,497,814.48
  5. Step 5: Solve for x
    x = 1,259,497,814.48/40,458.72
  6. Step 6: Final answer
    x = 31,130.44

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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.