Home / 53,446.91-80,181.81-19,713.04

Finding the Fourth Proportional to 53,446.91, 80,181.81 and 19,713.04

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Solution

The fourth proportional to 53,446.91, 80,181.81 and 19,713.04 is: 29,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,446.91 : 80,181.81 = 19,713.04 : x
  2. Step 2: Convert to fraction form
    53,446.91/80,181.81 = 19,713.04/x
  3. Step 3: Cross multiply
    53,446.91x = 80,181.81 × 19,713.04
  4. Step 4: Simplify right side
    53,446.91x = 1,580,627,027.35
  5. Step 5: Solve for x
    x = 1,580,627,027.35/53,446.91
  6. Step 6: Final answer
    x = 29,573.78

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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.