Home / 36,505.74-50,378.15-21,398.73

Finding the Fourth Proportional to 36,505.74, 50,378.15 and 21,398.73

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Solution

The fourth proportional to 36,505.74, 50,378.15 and 21,398.73 is: 29,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.74 : 50,378.15 = 21,398.73 : x
  2. Step 2: Convert to fraction form
    36,505.74/50,378.15 = 21,398.73/x
  3. Step 3: Cross multiply
    36,505.74x = 50,378.15 × 21,398.73
  4. Step 4: Simplify right side
    36,505.74x = 1,078,028,577.71
  5. Step 5: Solve for x
    x = 1,078,028,577.71/36,505.74
  6. Step 6: Final answer
    x = 29,530.39

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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.