Home / 36,419.56-50,262.83-21,317.11

Finding the Fourth Proportional to 36,419.56, 50,262.83 and 21,317.11

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Solution

The fourth proportional to 36,419.56, 50,262.83 and 21,317.11 is: 29,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.56 : 50,262.83 = 21,317.11 : x
  2. Step 2: Convert to fraction form
    36,419.56/50,262.83 = 21,317.11/x
  3. Step 3: Cross multiply
    36,419.56x = 50,262.83 × 21,317.11
  4. Step 4: Simplify right side
    36,419.56x = 1,071,458,123.72
  5. Step 5: Solve for x
    x = 1,071,458,123.72/36,419.56
  6. Step 6: Final answer
    x = 29,419.86

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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.