Home / 51,108.88-76,663.26-14,172.88

Finding the Fourth Proportional to 51,108.88, 76,663.26 and 14,172.88

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Solution

The fourth proportional to 51,108.88, 76,663.26 and 14,172.88 is: 21,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.88 : 76,663.26 = 14,172.88 : x
  2. Step 2: Convert to fraction form
    51,108.88/76,663.26 = 14,172.88/x
  3. Step 3: Cross multiply
    51,108.88x = 76,663.26 × 14,172.88
  4. Step 4: Simplify right side
    51,108.88x = 1,086,539,184.39
  5. Step 5: Solve for x
    x = 1,086,539,184.39/51,108.88
  6. Step 6: Final answer
    x = 21,259.30

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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.