Home / 49,209.20-73,813.80-45,407.60

Finding the Fourth Proportional to 49,209.20, 73,813.80 and 45,407.60

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Solution

The fourth proportional to 49,209.20, 73,813.80 and 45,407.60 is: 68,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209.20 : 73,813.80 = 45,407.60 : x
  2. Step 2: Convert to fraction form
    49,209.20/73,813.80 = 45,407.60/x
  3. Step 3: Cross multiply
    49,209.20x = 73,813.80 × 45,407.60
  4. Step 4: Simplify right side
    49,209.20x = 3,351,707,504.88
  5. Step 5: Solve for x
    x = 3,351,707,504.88/49,209.20
  6. Step 6: Final answer
    x = 68,111.40

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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.