Home / 45,902.72-68,857.37-19,221.86

Finding the Fourth Proportional to 45,902.72, 68,857.37 and 19,221.86

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Solution

The fourth proportional to 45,902.72, 68,857.37 and 19,221.86 is: 28,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,902.72 : 68,857.37 = 19,221.86 : x
  2. Step 2: Convert to fraction form
    45,902.72/68,857.37 = 19,221.86/x
  3. Step 3: Cross multiply
    45,902.72x = 68,857.37 × 19,221.86
  4. Step 4: Simplify right side
    45,902.72x = 1,323,566,285.71
  5. Step 5: Solve for x
    x = 1,323,566,285.71/45,902.72
  6. Step 6: Final answer
    x = 28,834.16

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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.