Home / 47,789.88-71,661.60-14,503.92

Finding the Fourth Proportional to 47,789.88, 71,661.60 and 14,503.92

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Solution

The fourth proportional to 47,789.88, 71,661.60 and 14,503.92 is: 21,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,789.88 : 71,661.60 = 14,503.92 : x
  2. Step 2: Convert to fraction form
    47,789.88/71,661.60 = 14,503.92/x
  3. Step 3: Cross multiply
    47,789.88x = 71,661.60 × 14,503.92
  4. Step 4: Simplify right side
    47,789.88x = 1,039,374,113.47
  5. Step 5: Solve for x
    x = 1,039,374,113.47/47,789.88
  6. Step 6: Final answer
    x = 21,748.83

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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.