Home / 38,715.67-58,076.39-19,984.02

Finding the Fourth Proportional to 38,715.67, 58,076.39 and 19,984.02

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Solution

The fourth proportional to 38,715.67, 58,076.39 and 19,984.02 is: 29,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.67 : 58,076.39 = 19,984.02 : x
  2. Step 2: Convert to fraction form
    38,715.67/58,076.39 = 19,984.02/x
  3. Step 3: Cross multiply
    38,715.67x = 58,076.39 × 19,984.02
  4. Step 4: Simplify right side
    38,715.67x = 1,160,599,571.46
  5. Step 5: Solve for x
    x = 1,160,599,571.46/38,715.67
  6. Step 6: Final answer
    x = 29,977.51

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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.