Home / 36,140.82-49,874.34-20,228.34

Finding the Fourth Proportional to 36,140.82, 49,874.34 and 20,228.34

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Solution

The fourth proportional to 36,140.82, 49,874.34 and 20,228.34 is: 27,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.82 : 49,874.34 = 20,228.34 : x
  2. Step 2: Convert to fraction form
    36,140.82/49,874.34 = 20,228.34/x
  3. Step 3: Cross multiply
    36,140.82x = 49,874.34 × 20,228.34
  4. Step 4: Simplify right side
    36,140.82x = 1,008,875,106.80
  5. Step 5: Solve for x
    x = 1,008,875,106.80/36,140.82
  6. Step 6: Final answer
    x = 27,915.11

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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.