Home / 36,851.47-50,855.20-20,936.79

Finding the Fourth Proportional to 36,851.47, 50,855.20 and 20,936.79

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Solution

The fourth proportional to 36,851.47, 50,855.20 and 20,936.79 is: 28,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.47 : 50,855.20 = 20,936.79 : x
  2. Step 2: Convert to fraction form
    36,851.47/50,855.20 = 20,936.79/x
  3. Step 3: Cross multiply
    36,851.47x = 50,855.20 × 20,936.79
  4. Step 4: Simplify right side
    36,851.47x = 1,064,744,590.47
  5. Step 5: Solve for x
    x = 1,064,744,590.47/36,851.47
  6. Step 6: Final answer
    x = 28,892.87

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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.