Home / 64,196.50-96,288-19,824.70

Finding the Fourth Proportional to 64,196.50, 96,288 and 19,824.70

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Solution

The fourth proportional to 64,196.50, 96,288 and 19,824.70 is: 29,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,196.50 : 96,288 = 19,824.70 : x
  2. Step 2: Convert to fraction form
    64,196.50/96,288 = 19,824.70/x
  3. Step 3: Cross multiply
    64,196.50x = 96,288 × 19,824.70
  4. Step 4: Simplify right side
    64,196.50x = 1,908,880,713.60
  5. Step 5: Solve for x
    x = 1,908,880,713.60/64,196.50
  6. Step 6: Final answer
    x = 29,734.97

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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.