Home / 36,517.26-50,394.48-21,420.81

Finding the Fourth Proportional to 36,517.26, 50,394.48 and 21,420.81

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Solution

The fourth proportional to 36,517.26, 50,394.48 and 21,420.81 is: 29,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.26 : 50,394.48 = 21,420.81 : x
  2. Step 2: Convert to fraction form
    36,517.26/50,394.48 = 21,420.81/x
  3. Step 3: Cross multiply
    36,517.26x = 50,394.48 × 21,420.81
  4. Step 4: Simplify right side
    36,517.26x = 1,079,490,581.13
  5. Step 5: Solve for x
    x = 1,079,490,581.13/36,517.26
  6. Step 6: Final answer
    x = 29,561.11

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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.