Home / 45,597.78-68,407.20-14,433.03

Finding the Fourth Proportional to 45,597.78, 68,407.20 and 14,433.03

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Solution

The fourth proportional to 45,597.78, 68,407.20 and 14,433.03 is: 21,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,597.78 : 68,407.20 = 14,433.03 : x
  2. Step 2: Convert to fraction form
    45,597.78/68,407.20 = 14,433.03/x
  3. Step 3: Cross multiply
    45,597.78x = 68,407.20 × 14,433.03
  4. Step 4: Simplify right side
    45,597.78x = 987,323,169.82
  5. Step 5: Solve for x
    x = 987,323,169.82/45,597.78
  6. Step 6: Final answer
    x = 21,652.88

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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.