Home / 33,239.45-45,871.08-18,132.66

Finding the Fourth Proportional to 33,239.45, 45,871.08 and 18,132.66

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Solution

The fourth proportional to 33,239.45, 45,871.08 and 18,132.66 is: 25,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.45 : 45,871.08 = 18,132.66 : x
  2. Step 2: Convert to fraction form
    33,239.45/45,871.08 = 18,132.66/x
  3. Step 3: Cross multiply
    33,239.45x = 45,871.08 × 18,132.66
  4. Step 4: Simplify right side
    33,239.45x = 831,764,697.47
  5. Step 5: Solve for x
    x = 831,764,697.47/33,239.45
  6. Step 6: Final answer
    x = 25,023.42

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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.