Home / 75,803.22-113,705.24-19,639.44

Finding the Fourth Proportional to 75,803.22, 113,705.24 and 19,639.44

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Solution

The fourth proportional to 75,803.22, 113,705.24 and 19,639.44 is: 29,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,803.22 : 113,705.24 = 19,639.44 : x
  2. Step 2: Convert to fraction form
    75,803.22/113,705.24 = 19,639.44/x
  3. Step 3: Cross multiply
    75,803.22x = 113,705.24 × 19,639.44
  4. Step 4: Simplify right side
    75,803.22x = 2,233,107,140.47
  5. Step 5: Solve for x
    x = 2,233,107,140.47/75,803.22
  6. Step 6: Final answer
    x = 29,459.26

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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.