Home / 43,079.29-64,621.99-11,489.17

Finding the Fourth Proportional to 43,079.29, 64,621.99 and 11,489.17

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Solution

The fourth proportional to 43,079.29, 64,621.99 and 11,489.17 is: 17,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.29 : 64,621.99 = 11,489.17 : x
  2. Step 2: Convert to fraction form
    43,079.29/64,621.99 = 11,489.17/x
  3. Step 3: Cross multiply
    43,079.29x = 64,621.99 × 11,489.17
  4. Step 4: Simplify right side
    43,079.29x = 742,453,028.85
  5. Step 5: Solve for x
    x = 742,453,028.85/43,079.29
  6. Step 6: Final answer
    x = 17,234.57

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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.