Home / 36,912.10-50,938.70-20,145.10

Finding the Fourth Proportional to 36,912.10, 50,938.70 and 20,145.10

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Solution

The fourth proportional to 36,912.10, 50,938.70 and 20,145.10 is: 27,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.10 : 50,938.70 = 20,145.10 : x
  2. Step 2: Convert to fraction form
    36,912.10/50,938.70 = 20,145.10/x
  3. Step 3: Cross multiply
    36,912.10x = 50,938.70 × 20,145.10
  4. Step 4: Simplify right side
    36,912.10x = 1,026,165,383.08
  5. Step 5: Solve for x
    x = 1,026,165,383.08/36,912.10
  6. Step 6: Final answer
    x = 27,800.24

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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.