Home / 47,385.88-71,103.42-19,326.52

Finding the Fourth Proportional to 47,385.88, 71,103.42 and 19,326.52

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Solution

The fourth proportional to 47,385.88, 71,103.42 and 19,326.52 is: 28,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.88 : 71,103.42 = 19,326.52 : x
  2. Step 2: Convert to fraction form
    47,385.88/71,103.42 = 19,326.52/x
  3. Step 3: Cross multiply
    47,385.88x = 71,103.42 × 19,326.52
  4. Step 4: Simplify right side
    47,385.88x = 1,374,181,668.70
  5. Step 5: Solve for x
    x = 1,374,181,668.70/47,385.88
  6. Step 6: Final answer
    x = 28,999.81

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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.