Home / 43,143.45-64,705.42-16,834.65

Finding the Fourth Proportional to 43,143.45, 64,705.42 and 16,834.65

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Solution

The fourth proportional to 43,143.45, 64,705.42 and 16,834.65 is: 25,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.45 : 64,705.42 = 16,834.65 : x
  2. Step 2: Convert to fraction form
    43,143.45/64,705.42 = 16,834.65/x
  3. Step 3: Cross multiply
    43,143.45x = 64,705.42 × 16,834.65
  4. Step 4: Simplify right side
    43,143.45x = 1,089,293,098.80
  5. Step 5: Solve for x
    x = 1,089,293,098.80/43,143.45
  6. Step 6: Final answer
    x = 25,248.17

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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.