Home / 33,240.61-45,872.31-18,133.39

Finding the Fourth Proportional to 33,240.61, 45,872.31 and 18,133.39

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Solution

The fourth proportional to 33,240.61, 45,872.31 and 18,133.39 is: 25,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.61 : 45,872.31 = 18,133.39 : x
  2. Step 2: Convert to fraction form
    33,240.61/45,872.31 = 18,133.39/x
  3. Step 3: Cross multiply
    33,240.61x = 45,872.31 × 18,133.39
  4. Step 4: Simplify right side
    33,240.61x = 831,820,487.43
  5. Step 5: Solve for x
    x = 831,820,487.43/33,240.61
  6. Step 6: Final answer
    x = 25,024.22

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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.