Home / 63,142.33-94,729.09-18,768.89

Finding the Fourth Proportional to 63,142.33, 94,729.09 and 18,768.89

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Solution

The fourth proportional to 63,142.33, 94,729.09 and 18,768.89 is: 28,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,142.33 : 94,729.09 = 18,768.89 : x
  2. Step 2: Convert to fraction form
    63,142.33/94,729.09 = 18,768.89/x
  3. Step 3: Cross multiply
    63,142.33x = 94,729.09 × 18,768.89
  4. Step 4: Simplify right side
    63,142.33x = 1,777,959,776.17
  5. Step 5: Solve for x
    x = 1,777,959,776.17/63,142.33
  6. Step 6: Final answer
    x = 28,157.97

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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.