Home / 45,516.90-68,274.97-13,926.83

Finding the Fourth Proportional to 45,516.90, 68,274.97 and 13,926.83

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Solution

The fourth proportional to 45,516.90, 68,274.97 and 13,926.83 is: 20,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516.90 : 68,274.97 = 13,926.83 : x
  2. Step 2: Convert to fraction form
    45,516.90/68,274.97 = 13,926.83/x
  3. Step 3: Cross multiply
    45,516.90x = 68,274.97 × 13,926.83
  4. Step 4: Simplify right side
    45,516.90x = 950,853,775.03
  5. Step 5: Solve for x
    x = 950,853,775.03/45,516.90
  6. Step 6: Final answer
    x = 20,890.13

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1.5x scale

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.