Home / 36,240.72-50,012-20,107.88

Finding the Fourth Proportional to 36,240.72, 50,012 and 20,107.88

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Solution

The fourth proportional to 36,240.72, 50,012 and 20,107.88 is: 27,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.72 : 50,012 = 20,107.88 : x
  2. Step 2: Convert to fraction form
    36,240.72/50,012 = 20,107.88/x
  3. Step 3: Cross multiply
    36,240.72x = 50,012 × 20,107.88
  4. Step 4: Simplify right side
    36,240.72x = 1,005,635,294.56
  5. Step 5: Solve for x
    x = 1,005,635,294.56/36,240.72
  6. Step 6: Final answer
    x = 27,748.77

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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.