Home / 47,903.97-71,782.04-30,336.90

Finding the Fourth Proportional to 47,903.97, 71,782.04 and 30,336.90

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Solution

The fourth proportional to 47,903.97, 71,782.04 and 30,336.90 is: 45,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903.97 : 71,782.04 = 30,336.90 : x
  2. Step 2: Convert to fraction form
    47,903.97/71,782.04 = 30,336.90/x
  3. Step 3: Cross multiply
    47,903.97x = 71,782.04 × 30,336.90
  4. Step 4: Simplify right side
    47,903.97x = 2,177,644,417.59
  5. Step 5: Solve for x
    x = 2,177,644,417.59/47,903.97
  6. Step 6: Final answer
    x = 45,458.54

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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.