Home / 49,649.30-74,459.55-18,055.70

Finding the Fourth Proportional to 49,649.30, 74,459.55 and 18,055.70

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Solution

The fourth proportional to 49,649.30, 74,459.55 and 18,055.70 is: 27,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.30 : 74,459.55 = 18,055.70 : x
  2. Step 2: Convert to fraction form
    49,649.30/74,459.55 = 18,055.70/x
  3. Step 3: Cross multiply
    49,649.30x = 74,459.55 × 18,055.70
  4. Step 4: Simplify right side
    49,649.30x = 1,344,419,296.94
  5. Step 5: Solve for x
    x = 1,344,419,296.94/49,649.30
  6. Step 6: Final answer
    x = 27,078.31

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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.