Home / 39,318.76-58,961.58-15,928.84

Finding the Fourth Proportional to 39,318.76, 58,961.58 and 15,928.84

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Solution

The fourth proportional to 39,318.76, 58,961.58 and 15,928.84 is: 23,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.76 : 58,961.58 = 15,928.84 : x
  2. Step 2: Convert to fraction form
    39,318.76/58,961.58 = 15,928.84/x
  3. Step 3: Cross multiply
    39,318.76x = 58,961.58 × 15,928.84
  4. Step 4: Simplify right side
    39,318.76x = 939,189,573.97
  5. Step 5: Solve for x
    x = 939,189,573.97/39,318.76
  6. Step 6: Final answer
    x = 23,886.55

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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.