Home / 51,961.07-77,941.76-14,520.89

Finding the Fourth Proportional to 51,961.07, 77,941.76 and 14,520.89

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Solution

The fourth proportional to 51,961.07, 77,941.76 and 14,520.89 is: 21,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.07 : 77,941.76 = 14,520.89 : x
  2. Step 2: Convert to fraction form
    51,961.07/77,941.76 = 14,520.89/x
  3. Step 3: Cross multiply
    51,961.07x = 77,941.76 × 14,520.89
  4. Step 4: Simplify right side
    51,961.07x = 1,131,783,261.05
  5. Step 5: Solve for x
    x = 1,131,783,261.05/51,961.07
  6. Step 6: Final answer
    x = 21,781.37

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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.