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Finding the Fourth Proportional to 51,001.80, 76,473 and 19,800.60

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Solution

The fourth proportional to 51,001.80, 76,473 and 19,800.60 is: 29,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.80 : 76,473 = 19,800.60 : x
  2. Step 2: Convert to fraction form
    51,001.80/76,473 = 19,800.60/x
  3. Step 3: Cross multiply
    51,001.80x = 76,473 × 19,800.60
  4. Step 4: Simplify right side
    51,001.80x = 1,514,211,283.80
  5. Step 5: Solve for x
    x = 1,514,211,283.80/51,001.80
  6. Step 6: Final answer
    x = 29,689.37

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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.