Home / 49,342.20-74,012.76-19,766.94

Finding the Fourth Proportional to 49,342.20, 74,012.76 and 19,766.94

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Solution

The fourth proportional to 49,342.20, 74,012.76 and 19,766.94 is: 29,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,342.20 : 74,012.76 = 19,766.94 : x
  2. Step 2: Convert to fraction form
    49,342.20/74,012.76 = 19,766.94/x
  3. Step 3: Cross multiply
    49,342.20x = 74,012.76 × 19,766.94
  4. Step 4: Simplify right side
    49,342.20x = 1,463,005,786.15
  5. Step 5: Solve for x
    x = 1,463,005,786.15/49,342.20
  6. Step 6: Final answer
    x = 29,650.19

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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.