Home / 36,689.96-50,632.34-20,777.51

Finding the Fourth Proportional to 36,689.96, 50,632.34 and 20,777.51

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Solution

The fourth proportional to 36,689.96, 50,632.34 and 20,777.51 is: 28,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.96 : 50,632.34 = 20,777.51 : x
  2. Step 2: Convert to fraction form
    36,689.96/50,632.34 = 20,777.51/x
  3. Step 3: Cross multiply
    36,689.96x = 50,632.34 × 20,777.51
  4. Step 4: Simplify right side
    36,689.96x = 1,052,013,593.62
  5. Step 5: Solve for x
    x = 1,052,013,593.62/36,689.96
  6. Step 6: Final answer
    x = 28,673.07

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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.