Home / 36,689.86-50,632.21-20,777.41

Finding the Fourth Proportional to 36,689.86, 50,632.21 and 20,777.41

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Solution

The fourth proportional to 36,689.86, 50,632.21 and 20,777.41 is: 28,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.86 : 50,632.21 = 20,777.41 : x
  2. Step 2: Convert to fraction form
    36,689.86/50,632.21 = 20,777.41/x
  3. Step 3: Cross multiply
    36,689.86x = 50,632.21 × 20,777.41
  4. Step 4: Simplify right side
    36,689.86x = 1,052,006,158.77
  5. Step 5: Solve for x
    x = 1,052,006,158.77/36,689.86
  6. Step 6: Final answer
    x = 28,672.94

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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.