Home / 36,077.21-49,787.60-20,161.69

Finding the Fourth Proportional to 36,077.21, 49,787.60 and 20,161.69

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Solution

The fourth proportional to 36,077.21, 49,787.60 and 20,161.69 is: 27,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.21 : 49,787.60 = 20,161.69 : x
  2. Step 2: Convert to fraction form
    36,077.21/49,787.60 = 20,161.69/x
  3. Step 3: Cross multiply
    36,077.21x = 49,787.60 × 20,161.69
  4. Step 4: Simplify right side
    36,077.21x = 1,003,802,082.98
  5. Step 5: Solve for x
    x = 1,003,802,082.98/36,077.21
  6. Step 6: Final answer
    x = 27,823.72

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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.