Home / 29,984.52-41,390.96-20,455.86

Finding the Fourth Proportional to 29,984.52, 41,390.96 and 20,455.86

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Solution

The fourth proportional to 29,984.52, 41,390.96 and 20,455.86 is: 28,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,984.52 : 41,390.96 = 20,455.86 : x
  2. Step 2: Convert to fraction form
    29,984.52/41,390.96 = 20,455.86/x
  3. Step 3: Cross multiply
    29,984.52x = 41,390.96 × 20,455.86
  4. Step 4: Simplify right side
    29,984.52x = 846,687,683.03
  5. Step 5: Solve for x
    x = 846,687,683.03/29,984.52
  6. Step 6: Final answer
    x = 28,237.49

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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.