Home / 45,705.04-68,568.49-16,129.51

Finding the Fourth Proportional to 45,705.04, 68,568.49 and 16,129.51

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Solution

The fourth proportional to 45,705.04, 68,568.49 and 16,129.51 is: 24,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.04 : 68,568.49 = 16,129.51 : x
  2. Step 2: Convert to fraction form
    45,705.04/68,568.49 = 16,129.51/x
  3. Step 3: Cross multiply
    45,705.04x = 68,568.49 × 16,129.51
  4. Step 4: Simplify right side
    45,705.04x = 1,105,976,145.14
  5. Step 5: Solve for x
    x = 1,105,976,145.14/45,705.04
  6. Step 6: Final answer
    x = 24,198.12

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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.