Home / 49,143.20-73,714.80-19,559.20

Finding the Fourth Proportional to 49,143.20, 73,714.80 and 19,559.20

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Solution

The fourth proportional to 49,143.20, 73,714.80 and 19,559.20 is: 29,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143.20 : 73,714.80 = 19,559.20 : x
  2. Step 2: Convert to fraction form
    49,143.20/73,714.80 = 19,559.20/x
  3. Step 3: Cross multiply
    49,143.20x = 73,714.80 × 19,559.20
  4. Step 4: Simplify right side
    49,143.20x = 1,441,802,516.16
  5. Step 5: Solve for x
    x = 1,441,802,516.16/49,143.20
  6. Step 6: Final answer
    x = 29,338.80

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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.