Home / 45,404.82-68,107.23-14,242.50

Finding the Fourth Proportional to 45,404.82, 68,107.23 and 14,242.50

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Solution

The fourth proportional to 45,404.82, 68,107.23 and 14,242.50 is: 21,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.82 : 68,107.23 = 14,242.50 : x
  2. Step 2: Convert to fraction form
    45,404.82/68,107.23 = 14,242.50/x
  3. Step 3: Cross multiply
    45,404.82x = 68,107.23 × 14,242.50
  4. Step 4: Simplify right side
    45,404.82x = 970,017,223.28
  5. Step 5: Solve for x
    x = 970,017,223.28/45,404.82
  6. Step 6: Final answer
    x = 21,363.75

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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.