Home / 33,242.40-45,874.44-18,135.07

Finding the Fourth Proportional to 33,242.40, 45,874.44 and 18,135.07

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Solution

The fourth proportional to 33,242.40, 45,874.44 and 18,135.07 is: 25,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242.40 : 45,874.44 = 18,135.07 : x
  2. Step 2: Convert to fraction form
    33,242.40/45,874.44 = 18,135.07/x
  3. Step 3: Cross multiply
    33,242.40x = 45,874.44 × 18,135.07
  4. Step 4: Simplify right side
    33,242.40x = 831,936,065.92
  5. Step 5: Solve for x
    x = 831,936,065.92/33,242.40
  6. Step 6: Final answer
    x = 25,026.35

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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.