Home / 36,773.90-50,746.38-20,420.09

Finding the Fourth Proportional to 36,773.90, 50,746.38 and 20,420.09

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Solution

The fourth proportional to 36,773.90, 50,746.38 and 20,420.09 is: 28,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,773.90 : 50,746.38 = 20,420.09 : x
  2. Step 2: Convert to fraction form
    36,773.90/50,746.38 = 20,420.09/x
  3. Step 3: Cross multiply
    36,773.90x = 50,746.38 × 20,420.09
  4. Step 4: Simplify right side
    36,773.90x = 1,036,245,646.77
  5. Step 5: Solve for x
    x = 1,036,245,646.77/36,773.90
  6. Step 6: Final answer
    x = 28,178.83

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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.