Home / 45,577.54-68,371.08-12,297.88

Finding the Fourth Proportional to 45,577.54, 68,371.08 and 12,297.88

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Solution

The fourth proportional to 45,577.54, 68,371.08 and 12,297.88 is: 18,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,577.54 : 68,371.08 = 12,297.88 : x
  2. Step 2: Convert to fraction form
    45,577.54/68,371.08 = 12,297.88/x
  3. Step 3: Cross multiply
    45,577.54x = 68,371.08 × 12,297.88
  4. Step 4: Simplify right side
    45,577.54x = 840,819,337.31
  5. Step 5: Solve for x
    x = 840,819,337.31/45,577.54
  6. Step 6: Final answer
    x = 18,448.11

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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.