Home / 45,829.62-68,748.75-14,240.07

Finding the Fourth Proportional to 45,829.62, 68,748.75 and 14,240.07

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Solution

The fourth proportional to 45,829.62, 68,748.75 and 14,240.07 is: 21,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,829.62 : 68,748.75 = 14,240.07 : x
  2. Step 2: Convert to fraction form
    45,829.62/68,748.75 = 14,240.07/x
  3. Step 3: Cross multiply
    45,829.62x = 68,748.75 × 14,240.07
  4. Step 4: Simplify right side
    45,829.62x = 978,987,012.41
  5. Step 5: Solve for x
    x = 978,987,012.41/45,829.62
  6. Step 6: Final answer
    x = 21,361.45

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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.