Home / 49,739.21-74,610.86-14,678.87

Finding the Fourth Proportional to 49,739.21, 74,610.86 and 14,678.87

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Solution

The fourth proportional to 49,739.21, 74,610.86 and 14,678.87 is: 22,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.21 : 74,610.86 = 14,678.87 : x
  2. Step 2: Convert to fraction form
    49,739.21/74,610.86 = 14,678.87/x
  3. Step 3: Cross multiply
    49,739.21x = 74,610.86 × 14,678.87
  4. Step 4: Simplify right side
    49,739.21x = 1,095,202,668.08
  5. Step 5: Solve for x
    x = 1,095,202,668.08/49,739.21
  6. Step 6: Final answer
    x = 22,018.90

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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.