Home / 49,277.60-73,969.01-21,211.55

Finding the Fourth Proportional to 49,277.60, 73,969.01 and 21,211.55

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Solution

The fourth proportional to 49,277.60, 73,969.01 and 21,211.55 is: 31,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,277.60 : 73,969.01 = 21,211.55 : x
  2. Step 2: Convert to fraction form
    49,277.60/73,969.01 = 21,211.55/x
  3. Step 3: Cross multiply
    49,277.60x = 73,969.01 × 21,211.55
  4. Step 4: Simplify right side
    49,277.60x = 1,568,997,354.07
  5. Step 5: Solve for x
    x = 1,568,997,354.07/49,277.60
  6. Step 6: Final answer
    x = 31,839.97

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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.