Home / 69,427.28-104,140.92-19,505.36

Finding the Fourth Proportional to 69,427.28, 104,140.92 and 19,505.36

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Solution

The fourth proportional to 69,427.28, 104,140.92 and 19,505.36 is: 29,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.28 : 104,140.92 = 19,505.36 : x
  2. Step 2: Convert to fraction form
    69,427.28/104,140.92 = 19,505.36/x
  3. Step 3: Cross multiply
    69,427.28x = 104,140.92 × 19,505.36
  4. Step 4: Simplify right side
    69,427.28x = 2,031,306,135.33
  5. Step 5: Solve for x
    x = 2,031,306,135.33/69,427.28
  6. Step 6: Final answer
    x = 29,258.04

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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.