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Finding the Fourth Proportional to 36,773.88, 50,746.35 and 20,420.08

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Solution

The fourth proportional to 36,773.88, 50,746.35 and 20,420.08 is: 28,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,773.88 : 50,746.35 = 20,420.08 : x
  2. Step 2: Convert to fraction form
    36,773.88/50,746.35 = 20,420.08/x
  3. Step 3: Cross multiply
    36,773.88x = 50,746.35 × 20,420.08
  4. Step 4: Simplify right side
    36,773.88x = 1,036,244,324.03
  5. Step 5: Solve for x
    x = 1,036,244,324.03/36,773.88
  6. Step 6: Final answer
    x = 28,178.81

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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.