Home / 36,415.10-50,257.63-20,502.65

Finding the Fourth Proportional to 36,415.10, 50,257.63 and 20,502.65

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Solution

The fourth proportional to 36,415.10, 50,257.63 and 20,502.65 is: 28,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.10 : 50,257.63 = 20,502.65 : x
  2. Step 2: Convert to fraction form
    36,415.10/50,257.63 = 20,502.65/x
  3. Step 3: Cross multiply
    36,415.10x = 50,257.63 × 20,502.65
  4. Step 4: Simplify right side
    36,415.10x = 1,030,414,748.99
  5. Step 5: Solve for x
    x = 1,030,414,748.99/36,415.10
  6. Step 6: Final answer
    x = 28,296.36

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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.