Home / 47,792.90-71,690.02-18,212.35

Finding the Fourth Proportional to 47,792.90, 71,690.02 and 18,212.35

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Solution

The fourth proportional to 47,792.90, 71,690.02 and 18,212.35 is: 27,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.90 : 71,690.02 = 18,212.35 : x
  2. Step 2: Convert to fraction form
    47,792.90/71,690.02 = 18,212.35/x
  3. Step 3: Cross multiply
    47,792.90x = 71,690.02 × 18,212.35
  4. Step 4: Simplify right side
    47,792.90x = 1,305,643,735.75
  5. Step 5: Solve for x
    x = 1,305,643,735.75/47,792.90
  6. Step 6: Final answer
    x = 27,318.78

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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.