Home / 36,309.06-50,101.02-20,390.46

Finding the Fourth Proportional to 36,309.06, 50,101.02 and 20,390.46

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Solution

The fourth proportional to 36,309.06, 50,101.02 and 20,390.46 is: 28,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.06 : 50,101.02 = 20,390.46 : x
  2. Step 2: Convert to fraction form
    36,309.06/50,101.02 = 20,390.46/x
  3. Step 3: Cross multiply
    36,309.06x = 50,101.02 × 20,390.46
  4. Step 4: Simplify right side
    36,309.06x = 1,021,582,844.27
  5. Step 5: Solve for x
    x = 1,021,582,844.27/36,309.06
  6. Step 6: Final answer
    x = 28,135.76

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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.