Home / 55,011.78-82,552.42-23,421.86

Finding the Fourth Proportional to 55,011.78, 82,552.42 and 23,421.86

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Solution

The fourth proportional to 55,011.78, 82,552.42 and 23,421.86 is: 35,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,011.78 : 82,552.42 = 23,421.86 : x
  2. Step 2: Convert to fraction form
    55,011.78/82,552.42 = 23,421.86/x
  3. Step 3: Cross multiply
    55,011.78x = 82,552.42 × 23,421.86
  4. Step 4: Simplify right side
    55,011.78x = 1,933,531,018.24
  5. Step 5: Solve for x
    x = 1,933,531,018.24/55,011.78
  6. Step 6: Final answer
    x = 35,147.58

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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.