Home / 38,794.17-58,137-20,986.38

Finding the Fourth Proportional to 38,794.17, 58,137 and 20,986.38

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Solution

The fourth proportional to 38,794.17, 58,137 and 20,986.38 is: 31,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.17 : 58,137 = 20,986.38 : x
  2. Step 2: Convert to fraction form
    38,794.17/58,137 = 20,986.38/x
  3. Step 3: Cross multiply
    38,794.17x = 58,137 × 20,986.38
  4. Step 4: Simplify right side
    38,794.17x = 1,220,085,174.06
  5. Step 5: Solve for x
    x = 1,220,085,174.06/38,794.17
  6. Step 6: Final answer
    x = 31,450.22

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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.