Home / 33,239.35-45,871.29-18,132.87

Finding the Fourth Proportional to 33,239.35, 45,871.29 and 18,132.87

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Solution

The fourth proportional to 33,239.35, 45,871.29 and 18,132.87 is: 25,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.35 : 45,871.29 = 18,132.87 : x
  2. Step 2: Convert to fraction form
    33,239.35/45,871.29 = 18,132.87/x
  3. Step 3: Cross multiply
    33,239.35x = 45,871.29 × 18,132.87
  4. Step 4: Simplify right side
    33,239.35x = 831,778,138.30
  5. Step 5: Solve for x
    x = 831,778,138.30/33,239.35
  6. Step 6: Final answer
    x = 25,023.90

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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.