Home / 45,817.17-68,677.79-19,178.43

Finding the Fourth Proportional to 45,817.17, 68,677.79 and 19,178.43

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Solution

The fourth proportional to 45,817.17, 68,677.79 and 19,178.43 is: 28,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,817.17 : 68,677.79 = 19,178.43 : x
  2. Step 2: Convert to fraction form
    45,817.17/68,677.79 = 19,178.43/x
  3. Step 3: Cross multiply
    45,817.17x = 68,677.79 × 19,178.43
  4. Step 4: Simplify right side
    45,817.17x = 1,317,132,188.07
  5. Step 5: Solve for x
    x = 1,317,132,188.07/45,817.17
  6. Step 6: Final answer
    x = 28,747.57

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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.