Home / 36,806.12-50,787-20,887.52

Finding the Fourth Proportional to 36,806.12, 50,787 and 20,887.52

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Solution

The fourth proportional to 36,806.12, 50,787 and 20,887.52 is: 28,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.12 : 50,787 = 20,887.52 : x
  2. Step 2: Convert to fraction form
    36,806.12/50,787 = 20,887.52/x
  3. Step 3: Cross multiply
    36,806.12x = 50,787 × 20,887.52
  4. Step 4: Simplify right side
    36,806.12x = 1,060,814,478.24
  5. Step 5: Solve for x
    x = 1,060,814,478.24/36,806.12
  6. Step 6: Final answer
    x = 28,821.69

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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.