Home / 45,926.46-68,881.59-12,638.43

Finding the Fourth Proportional to 45,926.46, 68,881.59 and 12,638.43

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Solution

The fourth proportional to 45,926.46, 68,881.59 and 12,638.43 is: 18,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,926.46 : 68,881.59 = 12,638.43 : x
  2. Step 2: Convert to fraction form
    45,926.46/68,881.59 = 12,638.43/x
  3. Step 3: Cross multiply
    45,926.46x = 68,881.59 × 12,638.43
  4. Step 4: Simplify right side
    45,926.46x = 870,555,153.50
  5. Step 5: Solve for x
    x = 870,555,153.50/45,926.46
  6. Step 6: Final answer
    x = 18,955.42

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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.