Home / 49,031.28-73,555-19,449.28

Finding the Fourth Proportional to 49,031.28, 73,555 and 19,449.28

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Solution

The fourth proportional to 49,031.28, 73,555 and 19,449.28 is: 29,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,031.28 : 73,555 = 19,449.28 : x
  2. Step 2: Convert to fraction form
    49,031.28/73,555 = 19,449.28/x
  3. Step 3: Cross multiply
    49,031.28x = 73,555 × 19,449.28
  4. Step 4: Simplify right side
    49,031.28x = 1,430,591,790.40
  5. Step 5: Solve for x
    x = 1,430,591,790.40/49,031.28
  6. Step 6: Final answer
    x = 29,177.13

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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.