Home / 30,551.81-45,799.31-11,844.05

Finding the Fourth Proportional to 30,551.81, 45,799.31 and 11,844.05

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Solution

The fourth proportional to 30,551.81, 45,799.31 and 11,844.05 is: 17,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551.81 : 45,799.31 = 11,844.05 : x
  2. Step 2: Convert to fraction form
    30,551.81/45,799.31 = 11,844.05/x
  3. Step 3: Cross multiply
    30,551.81x = 45,799.31 × 11,844.05
  4. Step 4: Simplify right side
    30,551.81x = 542,449,118.22
  5. Step 5: Solve for x
    x = 542,449,118.22/30,551.81
  6. Step 6: Final answer
    x = 17,755.06

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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.