Home / 33,159.43-45,760.76-18,820.21

Finding the Fourth Proportional to 33,159.43, 45,760.76 and 18,820.21

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Solution

The fourth proportional to 33,159.43, 45,760.76 and 18,820.21 is: 25,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.43 : 45,760.76 = 18,820.21 : x
  2. Step 2: Convert to fraction form
    33,159.43/45,760.76 = 18,820.21/x
  3. Step 3: Cross multiply
    33,159.43x = 45,760.76 × 18,820.21
  4. Step 4: Simplify right side
    33,159.43x = 861,227,112.96
  5. Step 5: Solve for x
    x = 861,227,112.96/33,159.43
  6. Step 6: Final answer
    x = 25,972.31

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1.5x scale

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.