Home / 51,298.07-76,943.26-18,018.43

Finding the Fourth Proportional to 51,298.07, 76,943.26 and 18,018.43

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Solution

The fourth proportional to 51,298.07, 76,943.26 and 18,018.43 is: 27,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.07 : 76,943.26 = 18,018.43 : x
  2. Step 2: Convert to fraction form
    51,298.07/76,943.26 = 18,018.43/x
  3. Step 3: Cross multiply
    51,298.07x = 76,943.26 × 18,018.43
  4. Step 4: Simplify right side
    51,298.07x = 1,386,396,269.47
  5. Step 5: Solve for x
    x = 1,386,396,269.47/51,298.07
  6. Step 6: Final answer
    x = 27,026.29

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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.