Home / 47,480.60-71,194.61-19,420.35

Finding the Fourth Proportional to 47,480.60, 71,194.61 and 19,420.35

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Solution

The fourth proportional to 47,480.60, 71,194.61 and 19,420.35 is: 29,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.60 : 71,194.61 = 19,420.35 : x
  2. Step 2: Convert to fraction form
    47,480.60/71,194.61 = 19,420.35/x
  3. Step 3: Cross multiply
    47,480.60x = 71,194.61 × 19,420.35
  4. Step 4: Simplify right side
    47,480.60x = 1,382,624,147.21
  5. Step 5: Solve for x
    x = 1,382,624,147.21/47,480.60
  6. Step 6: Final answer
    x = 29,119.77

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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.