Home / 49,212.40-73,782.84-19,621.36

Finding the Fourth Proportional to 49,212.40, 73,782.84 and 19,621.36

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Solution

The fourth proportional to 49,212.40, 73,782.84 and 19,621.36 is: 29,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212.40 : 73,782.84 = 19,621.36 : x
  2. Step 2: Convert to fraction form
    49,212.40/73,782.84 = 19,621.36/x
  3. Step 3: Cross multiply
    49,212.40x = 73,782.84 × 19,621.36
  4. Step 4: Simplify right side
    49,212.40x = 1,447,719,665.46
  5. Step 5: Solve for x
    x = 1,447,719,665.46/49,212.40
  6. Step 6: Final answer
    x = 29,417.78

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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.