Home / 36,018.93-49,704.53-20,910.41

Finding the Fourth Proportional to 36,018.93, 49,704.53 and 20,910.41

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Solution

The fourth proportional to 36,018.93, 49,704.53 and 20,910.41 is: 28,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.93 : 49,704.53 = 20,910.41 : x
  2. Step 2: Convert to fraction form
    36,018.93/49,704.53 = 20,910.41/x
  3. Step 3: Cross multiply
    36,018.93x = 49,704.53 × 20,910.41
  4. Step 4: Simplify right side
    36,018.93x = 1,039,341,748.08
  5. Step 5: Solve for x
    x = 1,039,341,748.08/36,018.93
  6. Step 6: Final answer
    x = 28,855.43

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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.