Home / 38,899.67-58,355.66-13,939.16

Finding the Fourth Proportional to 38,899.67, 58,355.66 and 13,939.16

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Solution

The fourth proportional to 38,899.67, 58,355.66 and 13,939.16 is: 20,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.67 : 58,355.66 = 13,939.16 : x
  2. Step 2: Convert to fraction form
    38,899.67/58,355.66 = 13,939.16/x
  3. Step 3: Cross multiply
    38,899.67x = 58,355.66 × 13,939.16
  4. Step 4: Simplify right side
    38,899.67x = 813,428,811.95
  5. Step 5: Solve for x
    x = 813,428,811.95/38,899.67
  6. Step 6: Final answer
    x = 20,910.95

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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.