Home / 49,504.80-74,257.20-31,994.40

Finding the Fourth Proportional to 49,504.80, 74,257.20 and 31,994.40

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Solution

The fourth proportional to 49,504.80, 74,257.20 and 31,994.40 is: 47,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,504.80 : 74,257.20 = 31,994.40 : x
  2. Step 2: Convert to fraction form
    49,504.80/74,257.20 = 31,994.40/x
  3. Step 3: Cross multiply
    49,504.80x = 74,257.20 × 31,994.40
  4. Step 4: Simplify right side
    49,504.80x = 2,375,814,559.68
  5. Step 5: Solve for x
    x = 2,375,814,559.68/49,504.80
  6. Step 6: Final answer
    x = 47,991.60

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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.