Home / 51,199.97-76,767.02-21,609.86

Finding the Fourth Proportional to 51,199.97, 76,767.02 and 21,609.86

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Solution

The fourth proportional to 51,199.97, 76,767.02 and 21,609.86 is: 32,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.97 : 76,767.02 = 21,609.86 : x
  2. Step 2: Convert to fraction form
    51,199.97/76,767.02 = 21,609.86/x
  3. Step 3: Cross multiply
    51,199.97x = 76,767.02 × 21,609.86
  4. Step 4: Simplify right side
    51,199.97x = 1,658,924,446.77
  5. Step 5: Solve for x
    x = 1,658,924,446.77/51,199.97
  6. Step 6: Final answer
    x = 32,400.89

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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.