Home / 55,682.64-83,556.36-22,405.68

Finding the Fourth Proportional to 55,682.64, 83,556.36 and 22,405.68

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Solution

The fourth proportional to 55,682.64, 83,556.36 and 22,405.68 is: 33,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,682.64 : 83,556.36 = 22,405.68 : x
  2. Step 2: Convert to fraction form
    55,682.64/83,556.36 = 22,405.68/x
  3. Step 3: Cross multiply
    55,682.64x = 83,556.36 × 22,405.68
  4. Step 4: Simplify right side
    55,682.64x = 1,872,137,064.12
  5. Step 5: Solve for x
    x = 1,872,137,064.12/55,682.64
  6. Step 6: Final answer
    x = 33,621.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.