Home / 36,851.18-50,854.80-20,936.50

Finding the Fourth Proportional to 36,851.18, 50,854.80 and 20,936.50

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Solution

The fourth proportional to 36,851.18, 50,854.80 and 20,936.50 is: 28,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.18 : 50,854.80 = 20,936.50 : x
  2. Step 2: Convert to fraction form
    36,851.18/50,854.80 = 20,936.50/x
  3. Step 3: Cross multiply
    36,851.18x = 50,854.80 × 20,936.50
  4. Step 4: Simplify right side
    36,851.18x = 1,064,721,520.20
  5. Step 5: Solve for x
    x = 1,064,721,520.20/36,851.18
  6. Step 6: Final answer
    x = 28,892.47

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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.