Home / 49,421.94-74,136.12-19,835.94

Finding the Fourth Proportional to 49,421.94, 74,136.12 and 19,835.94

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Solution

The fourth proportional to 49,421.94, 74,136.12 and 19,835.94 is: 29,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.94 : 74,136.12 = 19,835.94 : x
  2. Step 2: Convert to fraction form
    49,421.94/74,136.12 = 19,835.94/x
  3. Step 3: Cross multiply
    49,421.94x = 74,136.12 × 19,835.94
  4. Step 4: Simplify right side
    49,421.94x = 1,470,559,628.15
  5. Step 5: Solve for x
    x = 1,470,559,628.15/49,421.94
  6. Step 6: Final answer
    x = 29,755.20

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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.