Home / 47,939.88-71,913.17-14,657.39

Finding the Fourth Proportional to 47,939.88, 71,913.17 and 14,657.39

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Solution

The fourth proportional to 47,939.88, 71,913.17 and 14,657.39 is: 21,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.88 : 71,913.17 = 14,657.39 : x
  2. Step 2: Convert to fraction form
    47,939.88/71,913.17 = 14,657.39/x
  3. Step 3: Cross multiply
    47,939.88x = 71,913.17 × 14,657.39
  4. Step 4: Simplify right side
    47,939.88x = 1,054,059,378.83
  5. Step 5: Solve for x
    x = 1,054,059,378.83/47,939.88
  6. Step 6: Final answer
    x = 21,987.11

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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.