Home / 30,326.56-45,540.96-19,814.56

Finding the Fourth Proportional to 30,326.56, 45,540.96 and 19,814.56

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Solution

The fourth proportional to 30,326.56, 45,540.96 and 19,814.56 is: 29,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.56 : 45,540.96 = 19,814.56 : x
  2. Step 2: Convert to fraction form
    30,326.56/45,540.96 = 19,814.56/x
  3. Step 3: Cross multiply
    30,326.56x = 45,540.96 × 19,814.56
  4. Step 4: Simplify right side
    30,326.56x = 902,374,084.38
  5. Step 5: Solve for x
    x = 902,374,084.38/30,326.56
  6. Step 6: Final answer
    x = 29,755.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.