Home / 46,440.78-69,661.20-16,858.56

Finding the Fourth Proportional to 46,440.78, 69,661.20 and 16,858.56

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Solution

The fourth proportional to 46,440.78, 69,661.20 and 16,858.56 is: 25,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,440.78 : 69,661.20 = 16,858.56 : x
  2. Step 2: Convert to fraction form
    46,440.78/69,661.20 = 16,858.56/x
  3. Step 3: Cross multiply
    46,440.78x = 69,661.20 × 16,858.56
  4. Step 4: Simplify right side
    46,440.78x = 1,174,387,519.87
  5. Step 5: Solve for x
    x = 1,174,387,519.87/46,440.78
  6. Step 6: Final answer
    x = 25,287.85

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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.