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Finding the Fourth Proportional to 45,851.52, 68,841 and 23,681.28

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Solution

The fourth proportional to 45,851.52, 68,841 and 23,681.28 is: 35,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.52 : 68,841 = 23,681.28 : x
  2. Step 2: Convert to fraction form
    45,851.52/68,841 = 23,681.28/x
  3. Step 3: Cross multiply
    45,851.52x = 68,841 × 23,681.28
  4. Step 4: Simplify right side
    45,851.52x = 1,630,242,996.48
  5. Step 5: Solve for x
    x = 1,630,242,996.48/45,851.52
  6. Step 6: Final answer
    x = 35,554.83

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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.