Home / 49,214.40-73,821.60-19,636.80

Finding the Fourth Proportional to 49,214.40, 73,821.60 and 19,636.80

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Solution

The fourth proportional to 49,214.40, 73,821.60 and 19,636.80 is: 29,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,214.40 : 73,821.60 = 19,636.80 : x
  2. Step 2: Convert to fraction form
    49,214.40/73,821.60 = 19,636.80/x
  3. Step 3: Cross multiply
    49,214.40x = 73,821.60 × 19,636.80
  4. Step 4: Simplify right side
    49,214.40x = 1,449,619,994.88
  5. Step 5: Solve for x
    x = 1,449,619,994.88/49,214.40
  6. Step 6: Final answer
    x = 29,455.20

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1.5x scale

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.