Home / 33,236.47-45,865.49-18,129.48

Finding the Fourth Proportional to 33,236.47, 45,865.49 and 18,129.48

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Solution

The fourth proportional to 33,236.47, 45,865.49 and 18,129.48 is: 25,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.47 : 45,865.49 = 18,129.48 : x
  2. Step 2: Convert to fraction form
    33,236.47/45,865.49 = 18,129.48/x
  3. Step 3: Cross multiply
    33,236.47x = 45,865.49 × 18,129.48
  4. Step 4: Simplify right side
    33,236.47x = 831,517,483.65
  5. Step 5: Solve for x
    x = 831,517,483.65/33,236.47
  6. Step 6: Final answer
    x = 25,018.22

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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.