Home / 45,063.72-67,508.08-21,706.56

Finding the Fourth Proportional to 45,063.72, 67,508.08 and 21,706.56

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Solution

The fourth proportional to 45,063.72, 67,508.08 and 21,706.56 is: 32,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,063.72 : 67,508.08 = 21,706.56 : x
  2. Step 2: Convert to fraction form
    45,063.72/67,508.08 = 21,706.56/x
  3. Step 3: Cross multiply
    45,063.72x = 67,508.08 × 21,706.56
  4. Step 4: Simplify right side
    45,063.72x = 1,465,368,189.00
  5. Step 5: Solve for x
    x = 1,465,368,189.00/45,063.72
  6. Step 6: Final answer
    x = 32,517.69

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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.