Home / 38,945.84-58,422.84-13,982.24

Finding the Fourth Proportional to 38,945.84, 58,422.84 and 13,982.24

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Solution

The fourth proportional to 38,945.84, 58,422.84 and 13,982.24 is: 20,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.84 : 58,422.84 = 13,982.24 : x
  2. Step 2: Convert to fraction form
    38,945.84/58,422.84 = 13,982.24/x
  3. Step 3: Cross multiply
    38,945.84x = 58,422.84 × 13,982.24
  4. Step 4: Simplify right side
    38,945.84x = 816,882,170.36
  5. Step 5: Solve for x
    x = 816,882,170.36/38,945.84
  6. Step 6: Final answer
    x = 20,974.82

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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.