Home / 69,715.28-104,572.72-19,795.44

Finding the Fourth Proportional to 69,715.28, 104,572.72 and 19,795.44

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Solution

The fourth proportional to 69,715.28, 104,572.72 and 19,795.44 is: 29,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.28 : 104,572.72 = 19,795.44 : x
  2. Step 2: Convert to fraction form
    69,715.28/104,572.72 = 19,795.44/x
  3. Step 3: Cross multiply
    69,715.28x = 104,572.72 × 19,795.44
  4. Step 4: Simplify right side
    69,715.28x = 2,070,063,004.40
  5. Step 5: Solve for x
    x = 2,070,063,004.40/69,715.28
  6. Step 6: Final answer
    x = 29,693.10

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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.