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Finding the Fourth Proportional to 45,810.62, 68,672.19 and 14,625.62

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Solution

The fourth proportional to 45,810.62, 68,672.19 and 14,625.62 is: 21,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.62 : 68,672.19 = 14,625.62 : x
  2. Step 2: Convert to fraction form
    45,810.62/68,672.19 = 14,625.62/x
  3. Step 3: Cross multiply
    45,810.62x = 68,672.19 × 14,625.62
  4. Step 4: Simplify right side
    45,810.62x = 1,004,373,355.51
  5. Step 5: Solve for x
    x = 1,004,373,355.51/45,810.62
  6. Step 6: Final answer
    x = 21,924.47

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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.