Home / 47,480.36-71,244.83-19,421.15

Finding the Fourth Proportional to 47,480.36, 71,244.83 and 19,421.15

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Solution

The fourth proportional to 47,480.36, 71,244.83 and 19,421.15 is: 29,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.36 : 71,244.83 = 19,421.15 : x
  2. Step 2: Convert to fraction form
    47,480.36/71,244.83 = 19,421.15/x
  3. Step 3: Cross multiply
    47,480.36x = 71,244.83 × 19,421.15
  4. Step 4: Simplify right side
    47,480.36x = 1,383,656,222.48
  5. Step 5: Solve for x
    x = 1,383,656,222.48/47,480.36
  6. Step 6: Final answer
    x = 29,141.66

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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.