Home / 45,516.38-68,296.20-20,564.06

Finding the Fourth Proportional to 45,516.38, 68,296.20 and 20,564.06

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Solution

The fourth proportional to 45,516.38, 68,296.20 and 20,564.06 is: 30,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516.38 : 68,296.20 = 20,564.06 : x
  2. Step 2: Convert to fraction form
    45,516.38/68,296.20 = 20,564.06/x
  3. Step 3: Cross multiply
    45,516.38x = 68,296.20 × 20,564.06
  4. Step 4: Simplify right side
    45,516.38x = 1,404,447,154.57
  5. Step 5: Solve for x
    x = 1,404,447,154.57/45,516.38
  6. Step 6: Final answer
    x = 30,855.86

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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.