Home / 33,325.55-45,989.34-18,218.39

Finding the Fourth Proportional to 33,325.55, 45,989.34 and 18,218.39

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Solution

The fourth proportional to 33,325.55, 45,989.34 and 18,218.39 is: 25,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.55 : 45,989.34 = 18,218.39 : x
  2. Step 2: Convert to fraction form
    33,325.55/45,989.34 = 18,218.39/x
  3. Step 3: Cross multiply
    33,325.55x = 45,989.34 × 18,218.39
  4. Step 4: Simplify right side
    33,325.55x = 837,851,502.02
  5. Step 5: Solve for x
    x = 837,851,502.02/33,325.55
  6. Step 6: Final answer
    x = 25,141.42

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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.