Home / 33,242.94-45,874.13-18,135.18

Finding the Fourth Proportional to 33,242.94, 45,874.13 and 18,135.18

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Solution

The fourth proportional to 33,242.94, 45,874.13 and 18,135.18 is: 25,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242.94 : 45,874.13 = 18,135.18 : x
  2. Step 2: Convert to fraction form
    33,242.94/45,874.13 = 18,135.18/x
  3. Step 3: Cross multiply
    33,242.94x = 45,874.13 × 18,135.18
  4. Step 4: Simplify right side
    33,242.94x = 831,935,514.22
  5. Step 5: Solve for x
    x = 831,935,514.22/33,242.94
  6. Step 6: Final answer
    x = 25,025.93

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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.