Home / 51,291.91-76,972.23-18,012.10

Finding the Fourth Proportional to 51,291.91, 76,972.23 and 18,012.10

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Solution

The fourth proportional to 51,291.91, 76,972.23 and 18,012.10 is: 27,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291.91 : 76,972.23 = 18,012.10 : x
  2. Step 2: Convert to fraction form
    51,291.91/76,972.23 = 18,012.10/x
  3. Step 3: Cross multiply
    51,291.91x = 76,972.23 × 18,012.10
  4. Step 4: Simplify right side
    51,291.91x = 1,386,431,503.98
  5. Step 5: Solve for x
    x = 1,386,431,503.98/51,291.91
  6. Step 6: Final answer
    x = 27,030.22

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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.