Home / 36,636.90-50,581.59-28,122.72

Finding the Fourth Proportional to 36,636.90, 50,581.59 and 28,122.72

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Solution

The fourth proportional to 36,636.90, 50,581.59 and 28,122.72 is: 38,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.90 : 50,581.59 = 28,122.72 : x
  2. Step 2: Convert to fraction form
    36,636.90/50,581.59 = 28,122.72/x
  3. Step 3: Cross multiply
    36,636.90x = 50,581.59 × 28,122.72
  4. Step 4: Simplify right side
    36,636.90x = 1,422,491,892.72
  5. Step 5: Solve for x
    x = 1,422,491,892.72/36,636.90
  6. Step 6: Final answer
    x = 38,826.75

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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.