Home / 33,325.80-45,989.47-18,218.45

Finding the Fourth Proportional to 33,325.80, 45,989.47 and 18,218.45

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Solution

The fourth proportional to 33,325.80, 45,989.47 and 18,218.45 is: 25,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.80 : 45,989.47 = 18,218.45 : x
  2. Step 2: Convert to fraction form
    33,325.80/45,989.47 = 18,218.45/x
  3. Step 3: Cross multiply
    33,325.80x = 45,989.47 × 18,218.45
  4. Step 4: Simplify right side
    33,325.80x = 837,856,997.47
  5. Step 5: Solve for x
    x = 837,856,997.47/33,325.80
  6. Step 6: Final answer
    x = 25,141.39

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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.