Home / 38,908.11-58,370.36-12,610.80

Finding the Fourth Proportional to 38,908.11, 58,370.36 and 12,610.80

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Solution

The fourth proportional to 38,908.11, 58,370.36 and 12,610.80 is: 18,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.11 : 58,370.36 = 12,610.80 : x
  2. Step 2: Convert to fraction form
    38,908.11/58,370.36 = 12,610.80/x
  3. Step 3: Cross multiply
    38,908.11x = 58,370.36 × 12,610.80
  4. Step 4: Simplify right side
    38,908.11x = 736,096,935.89
  5. Step 5: Solve for x
    x = 736,096,935.89/38,908.11
  6. Step 6: Final answer
    x = 18,918.86

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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.