Home / 51,081.38-76,622.06-14,145.38

Finding the Fourth Proportional to 51,081.38, 76,622.06 and 14,145.38

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Solution

The fourth proportional to 51,081.38, 76,622.06 and 14,145.38 is: 21,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.38 : 76,622.06 = 14,145.38 : x
  2. Step 2: Convert to fraction form
    51,081.38/76,622.06 = 14,145.38/x
  3. Step 3: Cross multiply
    51,081.38x = 76,622.06 × 14,145.38
  4. Step 4: Simplify right side
    51,081.38x = 1,083,847,807.34
  5. Step 5: Solve for x
    x = 1,083,847,807.34/51,081.38
  6. Step 6: Final answer
    x = 21,218.06

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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.