Home / 49,679.08-74,519.47-14,141.31

Finding the Fourth Proportional to 49,679.08, 74,519.47 and 14,141.31

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Solution

The fourth proportional to 49,679.08, 74,519.47 and 14,141.31 is: 21,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.08 : 74,519.47 = 14,141.31 : x
  2. Step 2: Convert to fraction form
    49,679.08/74,519.47 = 14,141.31/x
  3. Step 3: Cross multiply
    49,679.08x = 74,519.47 × 14,141.31
  4. Step 4: Simplify right side
    49,679.08x = 1,053,802,890.95
  5. Step 5: Solve for x
    x = 1,053,802,890.95/49,679.08
  6. Step 6: Final answer
    x = 21,212.21

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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.