Home / 39,976.17-59,958.79-11,900.56

Finding the Fourth Proportional to 39,976.17, 59,958.79 and 11,900.56

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Solution

The fourth proportional to 39,976.17, 59,958.79 and 11,900.56 is: 17,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.17 : 59,958.79 = 11,900.56 : x
  2. Step 2: Convert to fraction form
    39,976.17/59,958.79 = 11,900.56/x
  3. Step 3: Cross multiply
    39,976.17x = 59,958.79 × 11,900.56
  4. Step 4: Simplify right side
    39,976.17x = 713,543,177.92
  5. Step 5: Solve for x
    x = 713,543,177.92/39,976.17
  6. Step 6: Final answer
    x = 17,849.21

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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.