Home / 51,171.52-76,741.80-17,885.38

Finding the Fourth Proportional to 51,171.52, 76,741.80 and 17,885.38

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Solution

The fourth proportional to 51,171.52, 76,741.80 and 17,885.38 is: 26,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.52 : 76,741.80 = 17,885.38 : x
  2. Step 2: Convert to fraction form
    51,171.52/76,741.80 = 17,885.38/x
  3. Step 3: Cross multiply
    51,171.52x = 76,741.80 × 17,885.38
  4. Step 4: Simplify right side
    51,171.52x = 1,372,556,254.88
  5. Step 5: Solve for x
    x = 1,372,556,254.88/51,171.52
  6. Step 6: Final answer
    x = 26,822.66

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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.