Home / 47,274.70-70,928.38-20,997.84

Finding the Fourth Proportional to 47,274.70, 70,928.38 and 20,997.84

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Solution

The fourth proportional to 47,274.70, 70,928.38 and 20,997.84 is: 31,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.70 : 70,928.38 = 20,997.84 : x
  2. Step 2: Convert to fraction form
    47,274.70/70,928.38 = 20,997.84/x
  3. Step 3: Cross multiply
    47,274.70x = 70,928.38 × 20,997.84
  4. Step 4: Simplify right side
    47,274.70x = 1,489,342,774.70
  5. Step 5: Solve for x
    x = 1,489,342,774.70/47,274.70
  6. Step 6: Final answer
    x = 31,504.01

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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.