Home / 33,240.72-45,871.35-18,133.73

Finding the Fourth Proportional to 33,240.72, 45,871.35 and 18,133.73

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Solution

The fourth proportional to 33,240.72, 45,871.35 and 18,133.73 is: 25,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.72 : 45,871.35 = 18,133.73 : x
  2. Step 2: Convert to fraction form
    33,240.72/45,871.35 = 18,133.73/x
  3. Step 3: Cross multiply
    33,240.72x = 45,871.35 × 18,133.73
  4. Step 4: Simplify right side
    33,240.72x = 831,818,675.64
  5. Step 5: Solve for x
    x = 831,818,675.64/33,240.72
  6. Step 6: Final answer
    x = 25,024.09

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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.