Home / 51,288.44-76,968.80-18,011.10

Finding the Fourth Proportional to 51,288.44, 76,968.80 and 18,011.10

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Solution

The fourth proportional to 51,288.44, 76,968.80 and 18,011.10 is: 27,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.44 : 76,968.80 = 18,011.10 : x
  2. Step 2: Convert to fraction form
    51,288.44/76,968.80 = 18,011.10/x
  3. Step 3: Cross multiply
    51,288.44x = 76,968.80 × 18,011.10
  4. Step 4: Simplify right side
    51,288.44x = 1,386,292,753.68
  5. Step 5: Solve for x
    x = 1,386,292,753.68/51,288.44
  6. Step 6: Final answer
    x = 27,029.34

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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.