Home / 47,919.15-71,892.61-19,834.02

Finding the Fourth Proportional to 47,919.15, 71,892.61 and 19,834.02

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Solution

The fourth proportional to 47,919.15, 71,892.61 and 19,834.02 is: 29,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.15 : 71,892.61 = 19,834.02 : x
  2. Step 2: Convert to fraction form
    47,919.15/71,892.61 = 19,834.02/x
  3. Step 3: Cross multiply
    47,919.15x = 71,892.61 × 19,834.02
  4. Step 4: Simplify right side
    47,919.15x = 1,425,919,415.01
  5. Step 5: Solve for x
    x = 1,425,919,415.01/47,919.15
  6. Step 6: Final answer
    x = 29,756.78

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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.