Home / 33,159.66-45,745.80-21,814.56

Finding the Fourth Proportional to 33,159.66, 45,745.80 and 21,814.56

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Solution

The fourth proportional to 33,159.66, 45,745.80 and 21,814.56 is: 30,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.66 : 45,745.80 = 21,814.56 : x
  2. Step 2: Convert to fraction form
    33,159.66/45,745.80 = 21,814.56/x
  3. Step 3: Cross multiply
    33,159.66x = 45,745.80 × 21,814.56
  4. Step 4: Simplify right side
    33,159.66x = 997,924,498.85
  5. Step 5: Solve for x
    x = 997,924,498.85/33,159.66
  6. Step 6: Final answer
    x = 30,094.53

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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.