Home / 49,542.89-74,328.12-19,953.81

Finding the Fourth Proportional to 49,542.89, 74,328.12 and 19,953.81

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Solution

The fourth proportional to 49,542.89, 74,328.12 and 19,953.81 is: 29,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,542.89 : 74,328.12 = 19,953.81 : x
  2. Step 2: Convert to fraction form
    49,542.89/74,328.12 = 19,953.81/x
  3. Step 3: Cross multiply
    49,542.89x = 74,328.12 × 19,953.81
  4. Step 4: Simplify right side
    49,542.89x = 1,483,129,184.14
  5. Step 5: Solve for x
    x = 1,483,129,184.14/49,542.89
  6. Step 6: Final answer
    x = 29,936.27

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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.