Home / 49,415.18-74,136.60-19,853.77

Finding the Fourth Proportional to 49,415.18, 74,136.60 and 19,853.77

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Solution

The fourth proportional to 49,415.18, 74,136.60 and 19,853.77 is: 29,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,415.18 : 74,136.60 = 19,853.77 : x
  2. Step 2: Convert to fraction form
    49,415.18/74,136.60 = 19,853.77/x
  3. Step 3: Cross multiply
    49,415.18x = 74,136.60 × 19,853.77
  4. Step 4: Simplify right side
    49,415.18x = 1,471,891,004.98
  5. Step 5: Solve for x
    x = 1,471,891,004.98/49,415.18
  6. Step 6: Final answer
    x = 29,786.21

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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.