Home / 69,972.31-96,562.79-38,141.21

Finding the Fourth Proportional to 69,972.31, 96,562.79 and 38,141.21

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Solution

The fourth proportional to 69,972.31, 96,562.79 and 38,141.21 is: 52,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.31 : 96,562.79 = 38,141.21 : x
  2. Step 2: Convert to fraction form
    69,972.31/96,562.79 = 38,141.21/x
  3. Step 3: Cross multiply
    69,972.31x = 96,562.79 × 38,141.21
  4. Step 4: Simplify right side
    69,972.31x = 3,683,021,651.58
  5. Step 5: Solve for x
    x = 3,683,021,651.58/69,972.31
  6. Step 6: Final answer
    x = 52,635.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.