Home / 47,500.03-71,223.75-19,439.81

Finding the Fourth Proportional to 47,500.03, 71,223.75 and 19,439.81

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Solution

The fourth proportional to 47,500.03, 71,223.75 and 19,439.81 is: 29,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,500.03 : 71,223.75 = 19,439.81 : x
  2. Step 2: Convert to fraction form
    47,500.03/71,223.75 = 19,439.81/x
  3. Step 3: Cross multiply
    47,500.03x = 71,223.75 × 19,439.81
  4. Step 4: Simplify right side
    47,500.03x = 1,384,575,811.37
  5. Step 5: Solve for x
    x = 1,384,575,811.37/47,500.03
  6. Step 6: Final answer
    x = 29,148.95

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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.